AI

Akira Ishizaki

Canon: 59 patents #485 of 19,416Top 3%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
ND Nitto Denko: 1 patents #1,580 of 2,479Top 65%
SC Sun A. Kaken Co.: 1 patents #4 of 13Top 35%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
Overall (All Time): #31,290 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 26–50 of 68 patents

Patent #TitleCo-InventorsDate
5446966 Angular position transducer 1995-09-05
5428237 Semiconductor device having an insulated gate transistor Hiroshi Yuzurihara, Mamoru Miyawaki, Genzo Momma, Tetsunobu Kochi 1995-06-27
5418415 Reluctance motor and generator 1995-05-23
5331197 Semiconductor memory device including gate electrode sandwiching a channel region Mamoru Miyawaki, Genzo Momma, Hiroshi Yuzurihara, Tetsunobu Kohchi 1994-07-19
5331421 Solid state image pickup apparatus Hayao Ohzu, Toshiji Suzuki 1994-07-19
5182658 Image pickup apparatus for controlling accumulation time in photoelectric elements Kenji Suzuki, Keiji Ohtaka, Yasuo Suda 1993-01-26
5138358 Autofocusing apparatus utilizing intermittent light projection Keisuke Aoyama, Kenji Suzuki 1992-08-11
5019702 Photoelectric transducer apparatus having a plurality of transducer elements and a plurality of capacitor elements Hayao Ohzu, Toshiji Suzuki, Nobuyoshi Tanaka, Shigetoshi Sugawa, Seiji Hashimoto +1 more 1991-05-28
5005041 Focus detecting apparatus having a plurality of focus detecting areas Yasuo Suda, Keiji Ohtaka, Kenji Suzuki, Keisuke Aoyama 1991-04-02
4992817 Focus detecting device switching between passive and active detection Keisuke Aoyama, Kenji Suzuki, Yasuo Suda, Keiji Ohtaka 1991-02-12
4980716 Focus detecting device Kenji Suzuki, Akira Akashi, Keisuke Aoyama, Terutake Kadohara 1990-12-25
4914282 Focus detection system employing multiple area light distribution sensors Akira Akashi, Akira Hiramatsu, Yasuo Suda, Keiji Ohtaka 1990-04-03
4870266 Photo signal storing sensor device Yoshio Nakamura, Shigetoshi Sugawa 1989-09-26
4859842 Multi-directional focus state detection apparatus Yasuo Suda, Ichiro Ohnuki, Akira Akashi, Keiji Ohtaka, Takeshi Koyama 1989-08-22
4835404 Photoelectric converting apparatus with a switching circuit and a resetting circuit for reading and resetting a plurality of lines sensors Shigetoshi Sugawa, Nobuyoshi Tanaka, Toshiji Suzuki 1989-05-30
4833313 Focus detecting apparatus having increased SNR by selectively varying or holding constant the number of signals from sensor arrays Akira Akashi, Yasuo Suda, Ichiro Ohnuki, Keiji Ohtaka, Takeshi Koyama 1989-05-23
4825239 Distance detection method and apparatus Yasuo Suda, Akira Akashi, Hiroshi Ohmura, Keiji Ohtaka 1989-04-25
4812869 Focus detecting apparatus Akira Akashi, Yasuo Suda, Ichiro Ohnuki, Keiji Ohtaka, Takeshi Koyama 1989-03-14
4800640 Automated assembly system and method of assembly Hiroshi Miyazaki, Takao Miyatani, Shinpei Abe 1989-01-31
4800410 Focus detecting apparatus for selecting the operating process in conformity with the contrast of an object Akira Akashi, Yasuo Suda, Ichiro Ohnuki, Keiji Ohtaka, Takeshi Koyama 1989-01-24
4792669 Focus detecting device having two selectively movable lenses Ichiro Ohnuki, Yasuo Suda, Akira Akashi, Keiji Ohtaka, Takeshi Koyama 1988-12-20
4792668 Apparatus for detecting focusing state of objective lens Akira Akashi, Yasuo Suda, Ichiro Ohnuki, Keiji Ohtaka, Takeshi Koyama 1988-12-20
4790649 Automatic focusing apparatus Yoshihito Harada 1988-12-13
4787141 Automatic assembling apparatus Hiroshi Miyazaki, Takao Miyatani 1988-11-29
4777506 Camera having an assembling adjusting device Akira Hiramatsu, Keiji Ohtaka, Akira Akashi, Yasuo Suda 1988-10-11