Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6215971 | Electrophotographic image-forming method, electrophotographic image-forming apparatus, and process cartridge | Haruyuki Tsuji, Shinji Takagi | 2001-04-10 |
| 5800955 | Electrophotographic photosensitive member having polycarbonate-containing surface layer | Noboru Kashimura, Shoji Amamiya, Tatsuya Ikezue | 1998-09-01 |
| 5587778 | Overlaid image forming apparatus | Hisashi Fukushima, Tatsuo Takeuchi, Nobuatsu Sasanuma | 1996-12-24 |
| 5558964 | Electrophotographic photosensitive member, and electrophotographic apparatus, device unit, and facsimile machine employing the same | Toshiyuki Yoshihara, Nobuyuki Hanami, Hideyuki Takai, Hideki Anayama, Hajime Miyazaki +5 more | 1996-09-24 |
| 5485250 | Electrophotographic apparatus with photosensitive member having surface layer of binder resin and fluoro and/or silicon compound particles | Noboru Kashimura, Kazushige Nakamura, Shoji Amamiya, Takashige Kasuya, Haruyuki Tsuji +2 more | 1996-01-16 |
| 5374494 | Electrophotographic photosensitive member, electrophotographic apparatus, device unit, and facsimile machine employing the same | Noboru Kashimura | 1994-12-20 |
| 5357320 | Electrophotographic apparatus | Noboru Kashimura, Kazushige Nakamura, Shoji Amamiya, Takashige Kasuya, Haruyuki Tsuji +2 more | 1994-10-18 |
| 5114814 | Photosensitive member for electrophotography, image forming method and electrophotographic apparatus using the same | Kiyoshi Sakai, Shoji Amamiya | 1992-05-19 |
| 4920022 | Electrophotographic photosensitive member comprising aryl amine charge transport material | Teigo Sakakibara, Kiyoshi Sakai, Shoji Amamiya | 1990-04-24 |