Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5008172 | Electrophotographic photoconductor | Takashi Rokutanzono, Hiroshi Nagame, Kohichi Ohshima, Narihito Kojima, Shinji Nousho | 1991-04-16 |
| 4957839 | Electrophotographic photoconductor having a silicone resin charge retention layer | Takashi Rokutanzono, Hiroshi Nagame, Kouichi Ohshima, Narihito Kojima, Shinji Nosho | 1990-09-18 |
| 4908292 | Method of making an electrophotographic inorganic photosensitive element using ultraviolet radiation | Kohichi Ohshima, Itaru Fujimura, Yoshiyuki Kageyama | 1990-03-13 |
| 4707570 | Manual information input device | Teruyuki Ohnuma, Yoshiyuki Kageyama | 1987-11-17 |
| 4687723 | Electrophotographic photoconductor having a photosensitive layer of amorphous silicon carbonitride | Kohichi Ohshima, Yoshiyuki Kageyama, Itaru Fujimura, Masako Kunita | 1987-08-18 |
| 4601965 | Photosensitive material for use in electrophotography | Seiichi Ohseto | 1986-07-22 |
| 4600672 | Electrophotographic element having an amorphous silicon photoconductor | Itaru Fujimura, Yoshiyuki Kageyama, Masako Kunita | 1986-07-15 |