Nobuyuki Kojima
Nobuyuki Kojima, Kawasaki-Shi JP
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20100044020 | HYDROGEN GAS-COOLING DEVICE - A hydrogen gas-cooling device of the present invention includes, a heat exchanger that perform beat exchange between a hydrogen gas and a liquefied gas to cool a hydrogen gas; and a head tank that stores the liquefied gas supplied to the heat exchanger, wherein the heat exchanger has double pipe structure in which the hydrogen gas flows in an inner pipe, an outer pipe is filled with the liquefied gas, the pipe axis of the double pipe structure is vertically or obliquely arranged, a liquefied gas supply pipe that supplies the liquefied gas from the head tank is connected to a bottom part of the outer tube, and a return pipe that returns the liquefied gas to the head tank is provided at a position upper than that of the bottom part of the outer pipe. | 02-25-2010 |
Nobuyuki Kojima, Chiba JP
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20090208755 | THERMOPLASTIC TRANSPARENT COMPOSITION HAVING ABILITY TO ABSORB LIGHT WITH WAVELENGTH OF 410 NM AND MOLDED BODY THEREOF - The present invention provides a thermoplastic transparent composition comprising: (A) 100 parts by mass of a transparent thermoplastic resin; and (B) 0.3 to 3.0 parts by mass of an ultraviolet absorber having an absorption band in the range at least of 340 to 410 nm, when determined in a chloroform solution, and also provides a molded article of the same. The thermoplastic transparent composition of the present invention has excellent transparency and shuts off light of 410 nm in wavelength. It can be widely used in the fields of optics, electrics, electronics, medical materials and others. For example, it can be formed into a lighting apparatus cover to provide a lighting apparatus having excellent mothproof property. | 08-20-2009 |
Nobuyuki Kojima, Machida-Shi JP
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20090015100 | VIBRATION WAVE DRIVEN APPARATUS AND VIBRATOR - A vibration wave driven apparatus which makes it possible to secure a required component accuracy obtained by machining and can increase a power ratio to the size of the apparatus. A plurality of contact parts are formed on one surface of an elastic vibration plate of a vibrator, and are disposed in contact with a friction member of a slider. A piezoelectric element plate is joined to the other surface of the vibration plate. Thinner parts as recessed parts are formed in the vibration plate at locations other than the contact parts, whereby the vibration plate is disposed in contact with the friction member of the slider at the contact parts. | 01-15-2009 |
20110278987 | VIBRATION WAVE ACTUATOR - Provided is a vibration wave actuator including: a vibrator including at least an electro-mechanical energy conversion element and an elastic body to which the electro-mechanical energy conversion element is joined, the elastic body including a contact portion formed therein, the vibrator being configured to provide elliptic motion to the contact portion; and a driven element that is in pressure contact with the contact portion of the vibrator, the driven element being moved by the elliptic motion, wherein the vibration wave actuator includes a vibrator holding portion that holds the vibrator via a first elastic member having a stiffness lower than that of the vibrator; and wherein a magnet is arranged on the vibrator holding portion, the driven element includes a magnetic substance, and the contact portion of the vibrator and the driven element are brought into pressure contact with each other by an attraction force of the magnet. | 11-17-2011 |
20110304242 | VIBRATION-TYPE DRIVING DEVICE - A vibration-type driving device according to the present invention includes a plurality of vibrators in which contact portions perform an elliptical motion using a combination of vibrations in different vibration modes; and a driven object having contact regions that come into contact with the contact portions and move relative to the plurality of vibrators, wherein the contact regions for the individual vibrators differ in position so as not to overlap. | 12-15-2011 |
20120146459 | VIBRATION TYPE DRIVING APPARATUS - A vibrator according to an aspect of the present invention is provided with an adjustment region which is realized with use of an electro-mechanical energy conversion element that is designed for an adjustment on a resonance frequency, and an impedance element is arranged to be connected to the adjustment region. | 06-14-2012 |
20120248934 | VIBRATION WAVE DRIVING APPARATUS - Provided is a vibration wave driving apparatus which can restrain increases in the number of components and in necessary space and which can maintain a stable contact state of frictional surfaces of a vibrator and a driven body. | 10-04-2012 |
20130113339 | VIBRATION TYPE DRIVING DEVICE - A vibration type driving device includes a vibrator configured to make an elliptic motion of a contact portion by combining vibrations in different vibration modes, and a driven body configured to be rotated relative to the vibrator by the elliptic motion while being in contact with the contact portion. A contact pressure of the contact portion with the driven body is lower on a radial inner side than on a radial outer side in a radial direction of the rotation. | 05-09-2013 |
20140125200 | VIBRATION WAVE ACTUATOR - A vibration wave actuator includes a vibrator, a driven element, and a magnet. The vibrator has at least an electro-mechanical energy conversion element and an elastic body to which the electro-mechanical energy conversion element is joined, the elastic body including a contact portion. The driven element is in pressure contact with the contact portion of the vibrator, and includes a magnetic substance. The magnet is arranged such that the vibrator is placed between the driven element and the magnet. | 05-08-2014 |
20140152149 | VIBRATION-TYPE DRIVING DEVICE - A vibration-type driving device according to the present invention includes a plurality of vibrators in which contact portions perform an elliptical motion using a combination of vibrations in different vibration modes; and a driven object having contact regions that come into contact with the contact portions and move relative to the plurality of vibrators, wherein the contact regions for the individual vibrators differ in position so as not to overlap. | 06-05-2014 |
20150303833 | VIBRATION TYPE DRIVING DEVICE - A vibration type driving device includes a vibrator configured to make an elliptic motion of a contact portion by combining vibrations in different vibration modes, and a driven body configured to be rotated relative to the vibrator by the elliptic motion while being in contact with the contact portion. A contact pressure of the contact portion with the driven body is lower on a radial inner side than on a radial outer side in a radial direction of the rotation. | 10-22-2015 |
Nobuyuki Kojima, Kamo-Shi JP
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20120325440 | COOLING DEVICE - There is provided a cooling device not affected by gravity by exerting a strong capillary attraction to be hard to deteriorate in transportation function. Unidirectionally-aligned copper fiber assembly | 12-27-2012 |
20150181764 | SHEET-TYPE HEAT PIPE - Provided is a sheet-type heat pipe that has a sufficient heat transport capability and can be effortlessly installed in a thin chassis. The sheet-type heat pipe is made of a sealed container formed by stacking and joining together at least two etched sheet bodies formed as metal foil sheets. Particularly, etching or pressing is performed on the surface of the sheet bodies to join at least two sheet bodies such that fine concavities and convexities can be formed on the inner surface of the container and the sheet-type heat pipe with a sufficient heat transport capability can thus be obtained even when the sealed container is thinly formed with its thickness not larger than, e.g. 0.5 mm. More particularly, since the thickness of the container is thinly formed, the sheet-type heat pipe of the present invention can be effortlessly installed in a thin chassis of a mobile terminal. | 06-25-2015 |
Nobuyuki Kojima, Takashima-Shi JP
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20140357463 | CREASING AND FOLDING MACHINE - A creasing and folding machine includes a creasing mechanism ( | 12-04-2014 |
Nobuyuki Kojima, Niigata JP
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20150077929 | SHEET-TYPE HEAT PIPE AND MOBILE TERMINAL USING THE SAME - Provided is a sheet-type heat pipe that has a sufficient heat transport capability and can be effortlessly installed in a thin chassis. The sheet-type heat pipe is made of a sealed container having a thickness of not larger than 0.5 mm. This container is formed by stacking and diffusion-joining together etched sheet bodies. Particularly, etching is performed on one side surface of each of the sheet bodies such that fine concavities and convexities can be formed on the inner surface of the container and the sheet-type heat pipe with a sufficient heat transport capability can thus be obtained even when the thickness of the container is not larger than 0.5 mm. More particularly, since the thickness of the container is formed to not larger than 0.5 mm, the sheet-type heat pipe can be effortlessly installed in a thin chassis such as that of a mobile terminal. | 03-19-2015 |
20150119111 | MOBILE TERMINAL - Provided is a mobile terminal capable of allowing a heat generating component such as a CPU to make best use of its capabilities. The sheet-shaped heat pipe, according to the present invention, is provided either between the rear surface of the touch panel, and motherboard, or between the one and the battery pack. In this case, since the sheet-shaped heat pipe is arranged opposite to the rear surface of the touch panel which is a part of the chassis of the mobile terminal a favorable heat diffusion from the heat generating components such as the CPU to a large area on the chassis can be achieved through these sheet-shaped heat pipe, thus allowing the heat generating component such as the CPU to make best use of its capabilities. | 04-30-2015 |
Nobuyuki Kojima, Osaka JP
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20160076789 | DECORATIVE PANEL AND AIR-CONDITIONER INDOOR UNIT PROVIDED WITH SAME - Disclosed herein is a decorative panel for a ceiling-mounted indoor unit of an air conditioning device, and the panel is configured to improve the design of a suction grill without increasing the number of manufacturing process steps. The decorative panel includes: a panel body having a suction port; and a suction grill attached to the suction port of the panel body. The suction grill has a grill body which is formed in the shape of a grid to have a large number of suction holes and is positioned over the suction port. A large number of recesses are formed in a lower surface of the decorative panel so as to be arranged along, and to surround, the grill body. | 03-17-2016 |
20160076790 | DECORATIVE PANEL AND AIR-CONDITIONER INDOOR UNIT PROVIDED WITH SAME - A decorative panel includes a panel body with a suction port and an outlet port, and a suction grill attached to the suction port of the panel body. The suction grill includes a grill body positioned over the suction port, and an extension extending outward from the entire periphery of the grill body to overlap with a lower surface of the panel body. The extension is configured such that an end of a portion of the extension extending toward the outlet port is located closer to the suction port than an edge of the lower surface of the panel body facing the outlet port. | 03-17-2016 |