Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6040099 | Electrophotographic photosensitive material | Nobuyuki Hanami, Yoichi Kawamorita, Takao Soma | 2000-03-21 |
| 5669047 | Charging member, electrophotographic apparatus and charging method using the same | Masami Okuda, Hisami Tanaka, Hiroyuki Ohmori, Takashi Koyama, Masafumi Hisamura | 1997-09-16 |
| 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 |
| 5430527 | Electrophotographic apparatus having cleaning width larger than charging width | Akio Maruyama, Hiroyuki Ohmori, Masami Okunuki | 1995-07-04 |
| 5418099 | Electrophotographic photosensitive member, and electrophotographic apparatus and device unit employing the same | Shinya Mayama, Naoto Fujimura, Toshiyuki Yoshihara, Nobuyuki Hanami, Kiyoshi Sakai +3 more | 1995-05-23 |
| 5362588 | Electrophotographic photosensitive member and apparatus including same | Toshiyuki Yoshihara, Nobuyuki Hanami, Hideki Anayama, Hideyuki Ainoya | 1994-11-08 |
| 5250990 | Image-bearing member for electrophotography and blade cleaning method | Naoto Fujimura, Kiyoshi Sakai, Teigo Sakakibara | 1993-10-05 |
| 4761359 | Electrophotographic process using photoconductive cylinder of small diameter | Kiyoshi Sakai, Naoto Fujimura, Teigo Sakakibara | 1988-08-02 |