IG

Ihachiro Gofuku

Canon: 34 patents #1,468 of 19,416Top 8%
KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
Overall (All Time): #103,945 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
5306648 Method of making photoelectric conversion device Masaki Fukaya, Soichiro Kawakami, Satoshi Itabashi, Katsunori Terada, Katsumi Nakagawa +6 more 1994-04-26
5245201 Photoelectric converting device and image processing apparatus utilizing the same Hiraku Kozuka, Shigetoshi Sugawa 1993-09-14
5128532 Image reading device having a conductive layer formed below a light receiving window Satoshi Itabashi, Toshihiro Saika 1992-07-07
5097304 Image reading device with voltage biases Satoshi Itabashi, Toshihiro Saika 1992-03-17
4931661 Photoelectric conversion device having a common semiconductor layer for a portion of the photoelectric conversion element and a portion of the transfer transistor section Masaki Fukaya, Soichiro Kawakami, Satoshi Itabashi, Katsunori Terada, Katsumi Nakagawa +6 more 1990-06-05
4916304 Image recording device having a conductive layer formed below a light receiving window Satoshi Itabashi, Toshihiro Saika 1990-04-10
4886962 Method for driving a photo-sensor by applying a pulse voltage to an auxiliary electrode during a non-read time Yoshiyuki Osada, Katsumi Nakagawa 1989-12-12
4886977 Photoelectric converter provided with voltage dividing means Yoshiyuki Osada, Katsumi Nakagawa, Katsunori Hatanaka, Toshihiro Saika, Noriyuki Kaifu 1989-12-12
4845355 Photoconductive type sensor and its driving method and apparatus Katsumi Nakagawa, Soichiro Kawakami, Katsunori Hatanaka, Masaki Fukaya, Toshiyuki Komatsu 1989-07-04