| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 152209110 | For sidewall-running tires (e.g., unicycle, motorcycle, bicycle, etc.) | 37 |
| 20080230161 | Pneumatic Tire for Motorcycle - In a pneumatic tire for a motorcycle where grooves | 09-25-2008 |
| 20080245457 | Off-road tire for motorcycle - An off-road tire for motorcycle comprises a tread portion provided with a plurality of blocks including an axially outmost shoulder block, a pair of sidewall portions, and a pair of bead portions, the shoulder block comprising a tread face with an axially outer edge corresponding to a tread edge and a lateral face extending from the tread edge to an radially inner edge located on the sidewall portion, the lateral face with a swelling portion swelling axially outside of the tire than a reference line which connects the tread edge and the radially inner edge, in a cross section including a tire axis, and the radial height of the radially inner edge of the lateral face from the bead base line being in a range of from 30 to 50% of the tire section height. | 10-09-2008 |
| 20080283167 | Motorcycle tire for off-road traveling - An off-road motorcycle tire having a block pattern comprising a plurality of blocks | 11-20-2008 |
| 20080314485 | Pneumatic Tire for Motorcycle - The present invention provides a pneumatic tire for a motorcycle capable of satisfying all of high-speed durability, turning performance and slide controllability. | 12-25-2008 |
| 20090020200 | PNEUMATIC TIRE FOR MOTORCYCLE AND METHOD OF PRODUCING SAME - The present invention aims to improve the durability of a motorcycle pneumatic tire in which a tread portion is formed by a rubber strip-laminating body and to provide a method of producing such tire. | 01-22-2009 |
| 20090078349 | PNEUMATIC RADIAL TIRE FOR MOTORCYCLE - There is provided a pneumatic radial tire for a motorcycle enabling safe running the motorcycle in conformity to various road conditions by achieving both performances of wet performance, i.e., hydroplaning and traction performances in particular, and linearity in handling at high level. In the pneumatic radial tire for a motorcycle, (a) tilt lug grooves are disposed at a tilt angle of 5 to 85° relative to a tire circumferential direction, (b) a ratio of the minimum length Lmin thereof to the surface length W thereof along one side of a tread is 0.1 or higher, (c) two groups of the tilt lug grooves are formed of two or more tilt lug grooves disposed substantially in parallel from each other, (d) they are formed of a first group of tilt lug grooves (G | 03-26-2009 |
| 20090126841 | SPLIT REAR WHEEL ASSEMBLY FOR A MOTORCYCLE - A tire has a first and second beads mounted on a rim. A first sidewall extends upward from the first bead to a first edge of a horizontal tread face located substantially directly above the first bead. A second sidewall extends upward from the second bead and curves toward a second edge of the tread face such that a curved tire surface is provided between the second bead and the second edge of the narrow tread face. Two tires are mounted on a rear motorcycle axle such that a gap is defined between first sidewalls of the right and left tires, and a drive extends through the gap to the axle. When the motorcycle is leaned in a curve, one of the wheels is above the ground surface, and the motorcycle is supported on the curved tire surface of the other tire. | 05-21-2009 |
| 20090255615 | PNEUMATIC TIRE FOR MOTORCYCLE - The present invention aims to provide a pneumatic tire for a motorcycle capable of improving turning performance on a wet road surface as compared to that of conventional tires. The pneumatic tire for a motorcycle comprises a tread | 10-15-2009 |
| 20100126645 | MOTORCYCLE TIRES AND METHOD TO IMPROVE PERFORMANCE AND WEAR RESISTANCE OF MOTORCYCLE TIRES - Pairs of motorcycle tires and a method for improving performance and resistance to wearing, consists of a tread including grooves, the tread consisting of a central area, sided by intermediate side areas and by projection areas, the latter being adjacent to the external borders of such tread. The sea/land ratio in the central area of the front tire is between 15% and 30%; the sea/land ratio in such central area of the rear tire is substantially lower than that of the other areas of the tire, the value being lower than 70%; the sea/land ratio in the intermediate side areas of the front tire and rear tire is between 20% and 40%; and the sea/land ratio in the projection areas of the front tire and rear tire is between 10% and 30%. | 05-27-2010 |
| 20100200135 | Pneumatic Tire - An object of the present invention is to provide a pneumatic tire excellent in running performance on a rough road. In order to achieve the object, a pneumatic tire comprises a tread surface having a plurality of lug grooves each of which opens to a sidewall, the sidewall includes a plurality of protrusions disposed thereon, wherein each of the lug grooves includes a protruding strip portion disposed on a groove bottom of the lug groove and extending along an extending direction of the lug groove, the protruding strip portion has a start point thereof at an inner side than a ground-contact point in a width direction as viewed from a front side thereof, and extends up to one of the protrusions beyond an open end of the lug groove located at the sidewall side and is connected to the protrusion. | 08-12-2010 |
| 20100200136 | Modular Tire with Variable Tread Surfaces - A new kind of tire utilizes a replaceable tread surface to enable variable tread characteristics determined by a removable riding surface. The tire body defines a slot that extends circumferentially around the tire and receives the removable riding surface. The removable riding surface is attached within the slot by attachment mechanisms. In other embodiments, the variable tread is accomplished via a removable sleeve that fits over the existing tire. | 08-12-2010 |
| 20100236677 | PNEUMATIC TIRE FOR MOTORCYCLE - A pneumatic tire for motorcycle capable of increasing peel resistance of a joint portion between regions against a larger lateral force when a camber angle is large, characterized in that each approximate straight line at a meridional section of join lines between a central tread rubber | 09-23-2010 |
| 20100282386 | PNEUMATIC TIRE FOR TWO-WHEELED VEHICLE - This invention provides a pneumatic tire for a two-wheeled vehicle with improved lateral grip at cornering, controlled tread wear in the shoulder regions, ensured uniformity of wear on the left and the right, and secured heat generation in the tread on an actual vehicle. The pneumatic tire has left and right dissimilar rubber layers ( | 11-11-2010 |
| 20100288409 | Pneumatic Tire - A pneumatic tire has a pair of bead portions, side wall portions extending to an outer side in a tire diametrical direction from the bead portions, and a tread portion connected to an outer end in a tire diametrical direction of each of the side wall portions. An outer wall surface of the side wall portion is provided with a circumferential projection annularly extending along a tire circumferential direction, and a plurality of diametrical projections extending to an inner side in a tire diametrical direction from the circumferential projection and arranged so as to be spaced in the tire circumferential direction. A gap portion formed between the diametrical projections is open to an inner side in the tire diametrical direction. | 11-18-2010 |
| 20110126950 | TIRE HAVING SIDEWALL PROTECTION - A tire suitable for off road use has blocks on its sidewalls that add thickness to the sidewall for added protection from debris tending to puncture the sidewalls. The blocks have sloping surfaces that protect the blocks from snagging or tearing from the sidewall. The blocks have surfaces designed to grip sides of ruts and are arranged in concentric patterns with overlapping for greater traction and good weight distribution when running at zero pressure. | 06-02-2011 |
| 20110214790 | PNEUMATIC TIRE FOR MOTOCROSS - Deformation of a shoulder portion at the time of jumping and landing is suppressed, and acceleration after landing is improved. A pneumatic tire for motocross comprises a pair of rubber reinforcing layers | 09-08-2011 |
| 20110290390 | MOTORCYCLE TIRE FOR RUNNING ON ROUGH TERRAIN - A motorcycle tire for running on rough terrain comprises a tread portion provided with shoulder blocks each provided with a ground contacting surface whose profile (contour) is a curved line having a radius of curvature not less than 200 mm or a straight line in a tire meridian section including the centroid of the ground contacting surface. | 12-01-2011 |
| 20120160380 | MOTORCYCLE TIRE - A motorcycle tire | 06-28-2012 |
| 20120160381 | MOTORCYCLE TIRE FOR ROUGH TERRAIN - A motorcycle tire | 06-28-2012 |
| 20120216929 | MOTORCYCLE TIRE - A motorcycle tire comprises a tread portion grooved so that twenty narrow annular zones thereof each have a land ratio of 70 to 90%, wherein the twenty narrow annular zones are defined by equally dividing the developed tread width along the tread face by twenty. on each side of the tire equator, main oblique grooves and auxiliary oblique grooves are arranged alternately in the tire circumferential direction and inclined to one tire circumferential direction. The main oblique grooves on each side of the tire equator extend beyond the tire equator to have axially inner ends located on the other side of the tire equator. The auxiliary oblique grooves on each side of the tire equator do not extend beyond the tire equator to have axially inner ends located on the same side of the tire equator. | 08-30-2012 |
| 20120255660 | MOTORCYCLE TIRE - A motorcycle tire is provided in each half of the tread portion with main and auxiliary oblique grooves. The main oblique grooves on both sides of the tire equator are staggered and have axially inner ends at a first axial distance of 1 to 4 mm from the tire equator. The auxiliary oblique grooves have axially inner ends at a second axial distance more than the first axial distance. The main oblique groove comprises an axially inner part inclining at an angle of not more than 30 degrees and a middle part inclining at a larger angle of from 25 to 70 degrees. The auxiliary oblique groove comprises an axially inner part inclining at an angle of 25 to 55 degrees and a middle part inclining at a larger angle of from 45 to 75 degrees, each angle with respect to the tire circumferential direction. | 10-11-2012 |
| 20120305154 | MOTORCYCLE TIRE FOR RUNNING ON ROUGH TERRAIN - A motorcycle tire for running on rough terrain has a block pattern that includes major groups arranged circumferentially of the tire at intervals, and minor groups arranged between the major groups. The major group consists of four blocks arranged axially of the tire and each connected to the next with a tie bar, wherein each is defined as having the centroid of its top surface within a tread center region having a developed width of 60% of a developed tread width, and angles (θ | 12-06-2012 |
| 20130014868 | MOTORCYCLE TIRE FOR RUNNING ON ROUGH TERRAINAANM ISHIDA; ShingoAACI Kobe-shiAACO JPAAGP ISHIDA; Shingo Kobe-shi JP - A motorcycle tire for running on rough terrain comprises a tread portion provided with a plurality of blocks defining a block pattern. The blocks include center blocks whose centroids of their top surfaces are disposed within a center region of the tread portion defined as being centered on the tire equator and having a developed width of 25% of a developed tread width. The top surface of each of the center blocks is provided with an axially extending edge extending straight and parallel with the tire axial direction, and arc edges curved convexly toward the centroid of the top surface and disposed on both sides of the axially extending edge in the tire axial direction. | 01-17-2013 |
| 20130014869 | PNEUMATIC TIRE FOR A MOTORCYCLEAANM Makioka; ToshiakiAACI Kodaira-shiAACO JPAAGP Makioka; Toshiaki Kodaira-shi JPAANM Yoshiya; KazunoriAACI Kodaira-shiAACO JPAAGP Yoshiya; Kazunori Kodaira-shi JP - Provided is a pneumatic tire for a motorcycle capable of improving grip performance while ensuring drainage performance, and also capable of attaining excellent wear resistance. The pneumatic tire for a motorcycle of the present invention includes a directional tread pattern having a plurality of different grooves formed on a tread surface, the grooves each converging forward in a rotation direction of the tire, in which: the plurality of different grooves are formed as three different oblique lug grooves ( | 01-17-2013 |
| 20130139936 | PNEUMATIC RADIAL TIRE - A pneumatic radial tire includes three or less steel belt layers, wherein a first block and a second block extending in an outer side than the first block are alternately provided in a tire circumferential direction on a ground edge region of a tread part. An annular region extending in a circumferential direction is provided on the outer surface of an outer side than a maximum width position in a side wall part, and plural projections are provided side by side on the annular region. An outer thin wall part continuing along an outer circumferential edge of the annular region and an inner thin wall part continuing along an inner circumferential edge of the annular region are provided, and the outer thin wall part is arranged adjacent to an inner radius height and inside of the inner radius height. | 06-06-2013 |
| 20140190607 | MOTORCYCLE TIRE - A motorcycle tire comprises a tread portion provided on each side of the tire equator with primary oblique grooves extending from a tread center region to the vicinity of the tread edge, and secondary oblique grooves each having an axially outer end positioned axially inside the axially outer ends of the primary oblique grooves. The secondary oblique grooves comprises a pair of gradually widening parts respectively extending from two extreme ends of the secondary oblique groove in its longitudinal direction toward an intermediate position between the two extreme ends, while gradually increasing the groove width measured perpendicularly to the longitudinal direction, and a pair of gradually narrowing parts which are disposed between the gradually widening parts, and of which groove widths gradually decrease from the gradually widening parts toward the intermediate position. | 07-10-2014 |
| 20140305560 | MOTORCYCLE TIRE - A motorcycle tire includes a tread portion having a designated rotational direction, the tread portion provided with first inclined grooves extending from a central region to a shoulder region, and second inclined grooves extending from a middle region to the shoulder region. Each first inclined groove includes a first tapered portion, and each second inclined groove includes a second tapered portion. In a pair of the first and second inclined grooves that are arranged closest to each other, the second tapered portion is located behind a forward of the first tapered portion such that a straight line connecting between a forward of the second tapered portion and a backward of the first tapered portion has an angle of from 85 to 90 degrees with respect to a circumferential direction of the tire. | 10-16-2014 |
| 20140311639 | PNEUMATIC TIRE FOR MOTORCYCLE - The present invention provides a pneumatic tire for a motorcycle, comprising: a main groove constituted of a first groove and a second groove and having a bent configuration; and an auxiliary groove provided to be distanced in the tread circumferential direction from the main groove, wherein groove widths of the main groove and the auxiliary groove satisfy specific relationship formulae. | 10-23-2014 |
| 20140318675 | PNEUMATIC TIRE USED IN MOTORCYCLE CROSS-COUNTRY RACE - A pneumatic tire includes a tire crown area, central area and tire shoulder area on the tire tread, and tire crown pattern blocks, central pattern blocks and tire shoulder pattern blocks disposed in corresponding area of the tire tread, wherein in a pattern pitch of the tire tread, the tire crown pattern blocks comprising big tire crown pattern blocks and small tire crown pattern blocks in equal numbers, they are spaced arranged; the central pattern blocks are symmetrically arranged in two sides of the tire crown pattern blocks, the central pattern blocks in either side are alternately arranged with respect to the tire crown pattern blocks longitudinally, the central pattern blocks in either side are alternately arranged left and right with transverse space laterally; the tire shoulder pattern blocks are symmetrically arranged in two sides of the both sides of the central pattern blocks. | 10-30-2014 |
| 20140360637 | PNEUMATIC MOTORCYCLE TIRE - Provided is a pneumatic motorcycle tire in which, without compromising the stability during running, other performances such as light-weight are improved. Provided is a pneumatic motorcycle tire which comprises a tread portion | 12-11-2014 |
| 20150041033 | PNEUMATIC MOTORCYCLE TIRE - Provided is a pneumatic motorcycle tire in which both economic efficiency and stability are attained. | 02-12-2015 |
| 20150083294 | MOTORCYCLE TIRE - A motorcycle tire including a tire structure having a tread having outer surface curved in arc shape such that the outer surface is protruding toward radially outer side of the structure. The tread includes a center region and shoulder regions on sides of the center region, respectively, the center region is spanning 30% of a developed tread width with tire equator at the center of the center region, the tread has main grooves positioned at interval in tire circumferential direction and shoulder sub-grooves positioned in each shoulder region, each main groove is formed in V shape such that the V shape has a pair of inclined portions respectively extending from the tip in the center region toward the shoulder regions in tire rotation direction, and the sub-grooves are formed such that each sub-groove is extending in the circumferential direction and connected to one inclined portion without connecting adjacent main grooves. | 03-26-2015 |
| 20150122383 | OFF-ROAD PNEUMATIC TIRE - An off-road pneumatic tire has a tread having an outer surface forming a tread surface, the tread including a body and multiple blocks projecting from the body substantially outward in radial direction. The blocks have a center block group, a pair of shoulder block groups and a pair of middle block groups. The center group includes center blocks at interval in circumferential direction on plane of equator. Each shoulder group includes shoulder blocks at interval in the circumferential direction on an edge of the tread surface. Each middle group includes middle blocks at interval in the circumferential direction between the center and one shoulder groups. The center group has units each having first, second, third and fourth center blocks in the order of the first, second, third and fourth blocks in the circumferential direction. | 05-07-2015 |
| 20150360517 | MOTORCYCLE TIRE FOR ROUGH TERRAIN - A motorcycle tire for rough terrain is provided in tread middle regions with middle blocks each provided in its ground contacting top surface with an auxiliary groove extending in the tire circumferential direction. | 12-17-2015 |
| 20160075186 | PNEUMATIC TIRE FOR OFF-ROAD MOTORCYCLE - A pneumatic tire for motorcycle for running on rough terrain comprises a tread portion | 03-17-2016 |
| 20160082777 | MOTORCYCLE TIRE - A motorcycle tire is provided with a tread pattern made up of circumferentially alternately arranged first and second pattern units. The first pattern unit is substantially mirror symmetrical with the second pattern unit. Each pattern unit comprises a main oblique groove and first and second auxiliary oblique grooves, each of which is a bent groove having a bent position and composed of a steeply-inclined part and a mildly-inclined part. In the main oblique groove, the steeply-inclined part extends from a start position on one side of the tire equator to the bent position on the other side of the tire equator, while inclining to one tire circumferential direction; and the mildly-inclined part extends from the bent position to the adjacent tread edge, while inclining to the above-mentioned one tire circumferential direction. The first auxiliary oblique groove is disposed on the above-mentioned one side of the tire equator and connected to the steeply-inclined part of the main oblique groove at a connection point, wherein the steeply-inclined part extends from the connection point to the bent position, while inclining to the above-mentioned one tire circumferential direction; and the mildly-inclined part extends from the bent position to the adjacent tread edge, while inclining to the above-mentioned one tire circumferential direction. The second auxiliary oblique groove is connected to the steeply-inclined part of the main oblique groove at a connection point, wherein the bent position is on the same side of the tire equator as the bent position of the first auxiliary oblique groove; the connection point is on the other side of the tire equator than the bent position of the second auxiliary oblique groove; the steeply-inclined part extends from the connection point to the bent position, while inclining to the above-mentioned one tire circumferential direction; and the mildly-inclined part extends from the bent position to the adjacent tread edge, while inclining to the above-mentioned one tire circumferential direction. | 03-24-2016 |
| 20160101654 | MOTORCYCLE TIRE - A motorcycle tire comprises a tread portion provided with a block pattern. The block pattern comprises block groups each consisting of at least five blocks Bg arranged along an oblique zone x so that the centroids m of the treads of the blocks Bg are positioned within the oblique zone X. The oblique zone x has a width of not more than 4 mm. The oblique zone x is inclined at an angle α of from 1 to 10 degrees with respect to the tire circumferential direction. | 04-14-2016 |
