SI

Sachio Ishioka

HI Hitachi: 19 patents #1,906 of 28,497Top 7%
NK Nippon Hoso Kyokai: 5 patents #48 of 703Top 7%
📍 Tokyo, CA: #301 of 583 inventorsTop 55%
Overall (All Time): #212,273 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
5233265 Photoconductive imaging apparatus Yukio Takasaki, Kazutaka Tsuji, Tatsuo Makishima, Tadaaki Hirai, Tatsuro Kawamura +17 more 1993-08-03
5101255 Amorphous photoelectric conversion device with avalanche Yukio Takasaki, Tadaaki Hirai, Kazutaka Tsuji, Tatsuo Makishima, Yasuhiko Nonaka +6 more 1992-03-31
4980736 Electric conversion device Yukio Takasaki, Kazutaka Tsuji, Tatsuo Makishima, Tadaaki Hirai, Tatsuro Kawamura +7 more 1990-12-25
4952839 Photoconductive device and method of operating the same Kenkichi Tanioka, Mitsuo Kosugi, Junichi Yamazaki, Keiichi Shidara, Kazuhisa Taketoshi +16 more 1990-08-28
4900975 Target of image pickup tube having an amorphous semiconductor laminate Yasuharu Shimomoto, Yukio Takasaki, Tadaaki Hirai, Kazutaka Tsuji, Tatsuo Makishima +9 more 1990-02-13
4888521 Photoconductive device and method of operating the same Kenkichi Tanioka, Keiichi Shidara, Tatsuro Kawamura, Junichi Yamazaki, Eikyuu Hiruma +16 more 1989-12-19
4884011 Light-detecting device Tatsuo Makishima, Tadaaki Hirai, Kazutaka Tsuji, Takashi Yamashita, Keiichi Shidara +2 more 1989-11-28
RE33094 Electrophotographic member with alpha-si layers Eiichi Maruyama, Yoshinori Imamura, Hirokazu Matsubara, Yasuharu Shimomoto, Shinkichi Horigome +1 more 1989-10-17
4829345 Electronic device having light transmission system Kazutaka Tsuji, Yukio Takasaki, Yasuharu Shimomoto, Hirokazu Matsubara, Tadaaki Hirai 1989-05-09
4636682 Image pickup tube Chushirou Kusano, Yoshinori Imamura, Yukio Takasaki, Hirofumi Ogawa, Tatsuo Makishima +1 more 1987-01-13
4626885 Photosensor having impurity concentration gradient Yoshinori Imamura, Tsuyoshi Uda, Yukio Takasaki, Chushirou Kusano, Hirofumi Ogawa +2 more 1986-12-02
4609846 Image pick-up tube having collector and balance electrodes Chushirou Kusano, Yasuharu Shimomoto, Yoshinori Imamura, Hirofumi Ogawa 1986-09-02
4564784 Reduced degradation, high resolution image pickup tube Yoshinori Imamura, Tadaaki Hirai, Saburo Nobutoki, Akio Maruyama 1986-01-14
4556817 Photoelectric conversion apparatus Chushirou Kusano, Yoshinori Imamura, Yukio Takasaki, Hirofumi Ogawa, Tatsuo Makishima +2 more 1985-12-03
4554478 Photoelectric conversion element Yasuharu Shimomoto, Yasuo Tanaka, Yukio Takasaki, Toshihisa Tsukada, Toru Baji 1985-11-19
4419604 Light sensitive screen Yoshinori Imamura, Yasuharu Shimomoto, Saburo Ataka, Yasuo Tanaka, Eiichi Maruyama 1983-12-06
4394749 Photoelectric device and method of producing the same Toshihisa Tsukada, Yukio Takasaki, Tadaaki Hirai, Toru Baji, Hideaki Yamamoto +2 more 1983-07-19
4380557 Method of production of image pickup device Yasuharu Shimomoto, Yoshinori Imamura, Saburo Ataka, Yasuo Tanaka, Hirokazu Matsubara +2 more 1983-04-19
4378417 Electrophotographic member with .alpha.-Si layers Eiichi Maruyama, Yoshinori Imamura, Hirokazu Matsubara, Yasuharu Shimomoto, Shinkichi Horigome +1 more 1983-03-29
4377628 Electrophotographic member with .alpha.-Si and H Eiichi Maruyama, Yoshinori Imamura, Hirokazu Matsubara, Shinkichi Horigome 1983-03-22
4365013 Electrophotographic member Eiichi Maruyama, Yoshinori Imamura, Hirokazu Matsubara, Shinkichi Horigome 1982-12-21