Kenji Sugiura
Kenji Sugiura, Yokohama JP
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20080253815 | CLEANING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A cleaning brush configured to remove toner from a surface of a member of an image forming apparatus; wherein the cleaning brush includes a plurality of fibers having an inside part formed from a conductive material and a surface part formed by an insulating material. | 10-16-2008 |
20140147181 | BELT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME HAVING A CLEANING DEVICE WHICH CLEANS UTILIZING DIFFERENT POLARITIES - A belt device incorporatable in an image forming apparatus includes an endless belt, multiple belt tension rollers disposed in contact with an inner surface of the endless belt, a rotary cleaning member to contact a belt wound area of the endless belt facing an opposing roller to form a cleaning nip between the rotary cleaning member and the endless belt and rotate the rotary cleaning member in a direction opposite the belt moving direction within the cleaning nip, and a voltage applier. The cleaning nip is formed by offsetting a center of the cleaning nip upstream from a center of the belt wound area of the endless belt in the belt moving direction and by at least contacting the rotary cleaning member in a range from the belt wound area to a tensioned belt area located upstream from the belt wound area in the belt moving direction. | 05-29-2014 |
Kenji Sugiura, Fukushima JP
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20110254137 | MULTI-DIRECTIONAL TRENCHING OF A DIE IN MANUFACTURING SUPERJUNCTION DEVICES - A method of manufacturing a superjunction device includes providing a semiconductor wafer having at least one die. At least one first trench having a first orientation is formed in the at least one die. At least one second trench having a second orientation that is different from the first orientation is formed in the at least one die. | 10-20-2011 |
20140264582 | 800 V SUPERJUNCTION DEVICE - A superjunction device includes a substrate having first and second main surfaces and a first doping concentration of a first dopant. A first semiconductor layer having a second doping concentration of the first dopant is formed on the substrate. A second semiconductor layer is formed on the first layer and has a main surface. At least one trench extends from the main surface at least partially into the first semiconductor layer. A first region having a third doping concentration of the first dopant extends at least partially between the main surface and the first layer. A second region having a fourth doping concentration of a second dopant is disposed between the first region and a trench sidewall and extends at least partially between the main surface and the first layer. A third region having a fifth doping concentration of the first dopant is disposed proximate the main surface. | 09-18-2014 |
20140264620 | STRIPE ORIENTATION FOR TRENCHES AND CONTACT WINDOWS - A semiconductor device includes a semiconductor layer having first and second main surfaces, with the first surface defining a plane containing first and second perpendicular axes. A first gate is disposed proximate the first main surface and extends parallel to the first axis. A dielectric layer is formed on the first main surface and separates the first gate from the first main surface. First and second trenches are formed in the semiconductor layer proximate the first gate and spaced apart in a direction parallel to the first axis. First and second pluralities of contact windows are formed in the dielectric layer to expose the first main surface and are respectively arranged in first and second rows extending between the first and second trenches in a direction parallel to the first axis. Adjacent contact windows in each first row are separated only by the dielectric layer. | 09-18-2014 |
Kenji Sugiura, Shinagawa-Ku JP
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20120131019 | INFORMATION ACQUIRING APPARATUS, INFORMATION ACQUIRING PROGRAM, RECORDING MEDIUM, INFORMATION ACQUIRING METHOD AND INFORMATION ACQUIRING SYSTEM - There is provided an information acquiring apparatus which, when the user searches for information using a plurality of keywords, can facilitate an operation of selecting a plurality of keywords by means of a touch panel and improve the operability. The information acquiring apparatus makes an input means ( | 05-24-2012 |
20130027329 | MOBILE TERMINAL APPARATUS, PROGRAM AND RECORDING MEDIUM WITH PROGRAM RECORDED - A mobile terminal apparatus according to this invention comprises an acceleration sensor | 01-31-2013 |
20130110601 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, INFORMATION PROCESSING PROGRAM, AND RECORDING MEDIUM HAVING INFORMATION PROCESSING PROGRAM RECORDED THEREON | 05-02-2013 |
20130117362 | SERVER DEVICE, CONTRIBUTION INFORMATION PROCESSING METHOD, CONTRIBUTION INFORMATION PROCESSING PROGRAM, AND RECORDING MEDIUM - Contribution information is permitted to post such that a viewer can recognize a reliability of the contribution information. A server device to which a terminal device is connectable via a network includes a contribution information acquisition means that acquires contribution information from the terminal device, a terminal information acquisition means that acquires terminal position information indicating a position of the terminal device, an extraction means that extracts specific information capable of specifying a subject of contribution from the acquired contribution information, a contribution subject information acquisition means that acquires contribution subject position information indicating a position of the subject of contribution specified by the extracted specific information, a comparison means that compares the acquired contribution subject position information with the acquired terminal position information, and a determination means that determines a situation of output of the contribution information on posting based on a comparison result by the comparison means. | 05-09-2013 |
Kenji Sugiura, Odawara JP
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20120147502 | MAGNETIC RECORDING HEAD, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC DISK UNIT - Minute elements are formed while a photo deviation is suppressed between a spin torque oscillator and a main pole and damage is prevented on the ends of the spin torque oscillator in microwave-assisted recording. A magnetic recording head used for microwave-assisted recording includes: a main pole; a spin torque oscillator that is disposed on the main pole and includes a magnetization high-speed rotation layer for rotating magnetization at a high speed by a spin torque; a protective film that is disposed in the track width direction of the spin torque oscillator; an insulating film formed over the wall surfaces of the main pole and the wall surfaces of the protective film; and a magnetic film formed on the insulating film so as to cover at least the main pole. | 06-14-2012 |
20130057980 | MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS - The strength of a magnetic field applied from a main pole to an oscillator and the strength of a magnetic field applied from the main pole to a recording medium are improved in a magnetic recording head for microwave assisted recording. | 03-07-2013 |
20130222941 | MAGNETIC HEAD, METHOD FOR PRODUCING THE MAGNETIC HEAD, AND MAGNETIC RECORDING/REPRODUCING APPARATUS - In a magnetic head of a high-frequency magnetic field assisted recording system, a width of a high-frequency magnetic field from an oscillator is decreased to enhance an oscillation frequency, in order to realize a high-density recording. An oscillator provided near a main pole, which generates a recording magnetic field, for generating a high-frequency magnetic field is patterned by a conventional photolithography, and then, an oxidation, nitridation, or oxynitridation is performed on the side face in a track width direction. With this process, an oxide layer, a nitride layer, or an oxynitride layer, which is made of a material of the oscillator, is formed on the side face of the oscillator in the track width direction, and the shape of the oscillator is formed to be semi-circular. | 08-29-2013 |
Kenji Sugiura, Chita-Gun JP
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20140210426 | POWER GENERATION CONTROL UNIT DETERMINING MAXIMUM EXCITATION CURRENT OF POWER GENERATOR MOUNTED ON VEHICLE - An on-vehicle power generation control unit includes current detecting unit; communication unit; holding unit; maximum current determining unit; and current control unit. The current detecting unit detects the excitation current at the field winding. The communication unit communicates with an external equipment to receive a first upper limit. The holding unit holds a second upper limit. The maximum current determining unit determines a maximum current to be the second upper limit when the first upper limit has not received by the communication unit or when the received first upper limit is more than or equal to the second upper limit. Further, the maximum current determining unit determines the maximum current value to be the first upper limit when the received first upper limit is less than the second upper limit. The current control unit controls the detected excitation current to be within the maximum current value. | 07-31-2014 |
Kenji Sugiura, Tokyo JP
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20140211340 | MAGNETIC HEAD AND MAGNETIC RECORDING/REPRODUCING APPARATUS - To realize a highly reliable magnetic head for a high-frequency magnetic field assisted recording system by preventing current crowding in an oscillator and increasing the current resistance of the oscillator. Between a main pole that generates a recording magnetic field and a trailing shield, an oscillator that includes a non-magnetic metal layer, a spin injection pinned layer, an intermediate layer, and a high-frequency magnetic field generation layer and that generates a high-frequency magnetic field is disposed. The non-magnetic metal layer adjacent to the main pole is tapered with the width gradually increasing from the trailing side toward the leading side. | 07-31-2014 |
Kenji Sugiura, Kanagawa-Ken JP
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20140264619 | GATE PAD AND GATE FEED BREAKDOWN VOLTAGE ENHANCEMENT - A semiconductor chip includes a semiconductor layer having first and second opposing main surfaces. A plurality of MOSFET cells are at least partially formed in the semiconductor layer. A gate pad region is at least partially formed in the semiconductor layer and includes a gate pad contact and a first plurality of trenches extending from the first main surface. The first plurality of trenches are spaced apart from one another in a direction parallel to the first main surface by about 45 micrometers to about 60 micrometers. At least one gate feed region is at least partially formed in the semiconductor layer and includes a gate feed contact and a second plurality of trenches extending from the first main surface. The second plurality of trenches are spaced apart from one another in the direction parallel to the first main surface by about 45 micrometers to about 60 micrometers. | 09-18-2014 |
Kenji Sugiura, Kyoto JP
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20150023804 | DRIVING DEVICE AND DRIVING METHOD FOR MOTOR, COOLING DEVICE AND ELECTRONIC MACHINE - A driving device for a brushless DC motor having at least one coil ma include a voltage zero crossing detection unit to where an induced voltage becomes zero; a detection period setting unit to set at least one detection period synchronously with the voltage zero crossing point; a coil voltage detection comparator to compare a terminal voltage generated from one end of the coil with a threshold voltage, and generate a coil voltage detection signal indicating a comparison result; a current phase detection unit to generate a phase detection signal indicating a relationship between a phase of a coil current flowing through the coil and a phase of the induced voltage; a driving signal synthesis unit to generate a driving control signal based on the phase detection signal; and a driving circuit to drive the brushless DC motor based on the driving control signal. | 01-22-2015 |