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Kohki
Kohki Ichikawa, Omuta-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080200326 | ALUMINUM NITRIDE POWDER AND ALUMINUM NITRIDE SINTERED COMPACT - The present invention relates to an aluminum nitride sintered body which satisfies both high thermal conductivity and reduction in the shrinkage factor at the time of sintering. The aluminum nitride sintered body is a sintered body of a powder mixture containing an aluminum nitride powder and a sintering aid, characterized by having a thermal conductivity of at least 190 W/m·K and a shrinkage factor represented by the percentage of {(dimensions of the molded body before sintering)-(dimensions of the sintered body after sintering)}/(dimensions of the molded body before sintering) of at most 15%. | 08-21-2008 |
| 20090295046 | ALUMINUM NITRIDE POWDER AND ALUMINUM NITRIDE SINTERED COMPACT - The present invention relates to a process of producing an aluminum nitride sintered body which satisfies both high thermal conductivity and reduction in the shrinkage factor at the time of sintering. The aluminum nitride sintered body is a sintered body of a powder mixture containing an aluminum nitride powder and a sintering aid, characterized by having a thermal conductivity of at least 190 W/m·K and a shrinkage factor represented by the percentage of {(dimensions of the molded body before sintering)−(dimensions of the sintered body after sintering)}/(dimensions of the molded body before sintering) of at most 15%. | 12-03-2009 |
Kohki Ishikawa, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20110038137 | LIGHT GUIDING BODY AND DISPLAY DEVICE USING THE SAME - Light emitted from light sources is reflected toward a dial plate by reflecting surfaces of a plurality of grooves radially formed on a light guide body from the center position of the light guiding body which is arranged on the rear surface side of the dial plate and has a circular arc shape in plane view. Then, the reflected light is diffused by a light diffusion film, and the diffused light transmissively illuminates a scale marks section and a numerical characters section of the dial plate. | 02-17-2011 |
| 20110051393 | DISPLAY DEVICE - Both end portions of a light guide body ( | 03-03-2011 |
Kohki Iwata, Isehara-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080227479 | Transmission power control method and apparatus of mobile communication terminal - A transmission power increasing section continuously transmits, from a testing instrument to a mobile communication terminal at predetermined intervals, a transmission power increasing request for increasing transmission power of the mobile communication terminal by a predetermined quantity. A block size extracting section extracts, from a predetermined second physical channel, block size information indicating a block size of transmittable data defined in association with the maximum transmission power set at a first physical channel upon receipt of a plurality of physical channels from the mobile communication terminal for each transmission of the transmission power increasing request. A storage section stores, at least one time, block size information extracted at the block size extracting section. In the case where a value of newly extracted block size information in the block size extracting section is decreased below a value of immediately preceding block size information stored in the storage section as a result of comparison therebetween, the maximum output power state determining section stops transmission of the transmission power increasing request in the transmission power increasing section and transmits, to the mobile communication terminal, a transmission power decreasing request for decreasing transmission power of the mobile communication terminal by a predetermined quantity. | 09-18-2008 |
Kohki Mizuno, Anjo-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080247901 | Carburized and high-frequency hardened part having high strength - The present invention relates to a mechanical part, which is obtained by: processing a steel into a shape of a part, the steel having an alloy composition containing, by weight percent, C: 0.10 to 0.30%, Si: 0.50 to 3.00%, Mn: 0.30 to 3.00%, P: 0.030% or less, S: 0.030% or less, Cu: 0.01 to 1.00%, Ni: 0.01 to 3.00%, Cr: 0.20 to 1.00%, Al: 0.20% or less, N: 0.05% or less, and the remainder of Fe and inevitable impurities, and the alloy composition satisfying the following condition: | 10-09-2008 |
Kohki Sasaki, Ichinoseki-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20100232833 | OPTICAL SCANNER AND IMAGE FORMING APPARATUS - An optical scanner, including a frame member; a pair of connection members near a coupling end with the frame member; a pair of elastic members connected with the frame member by the connection members; a mirror substrate supported by the pair of elastic members, the mirror substrate having a bending rigidity outward from the rotational axis for each area in accordance with a bending moment caused by oscillation, the mirror substrate having a slit at both connection ends with the pair of elastic members; and a piezoelectric element provided on each of the connection members, the piezoelectric element generating a torque for driving the mirror substrate oscillatable back and forth around the pair of elastic members as a torsion rotational axis. | 09-16-2010 |
Kohki Sasaki, Iwate JP
| Patent application number | Description | Published |
|---|---|---|
| 20100195181 | OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS - A disclosed optical scanning device includes a light beam generating unit configured to generate a light beam; a light beam deflecting unit configured to receive the light beam and deflect/emit the light beam with a deflecting mirror; a light beam ON/OFF control unit configured to control the light beam generating unit so that the light beam deflected by the light beam deflecting unit is turned ON/OFF in a particular light beam scanning region while the light beam is being reciprocally scanned; and a light beam scanning time measuring unit configured to obtain a measurement value by measuring a time at which the light beam passes a reference point provided on an edge part of the entire light beam scanning region that is away from a center part of the entire light beam scanning region. Timings at which the light beam is turned ON/OFF are controlled in accordance with the measurement value. | 08-05-2010 |