Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5715499 | Contact charger having an oscillating voltage for charging a photosensitive member | Michihito Yamazaki, Hiroki Kisu, Eiji Funabashi, Hiroaki Ogata, Kazumi Yamauchi | 1998-02-03 |
| 5678141 | Charging apparatus and process cartridge | Hiroki Kisu, Michihito Yamazaki, Hiroaki Ogata | 1997-10-14 |
| 5546167 | Charging device, process cartridge and image forming apparatus | Hiroaki Ogata, Hiroki Kisu, Michihito Yamazaki | 1996-08-13 |
| 5541711 | Charging member having a cavity, charging device, process unit, and image forming apparatus having such a charging member | Hiroki Kisu, Masaharu Ohkubo, Kazushige Sakurai, Michihito Yamazaki | 1996-07-30 |
| 5534344 | Charging member having a loosely supported charger portion | Hiroki Kisu, Masaharu Ohkubo, Kazushige Sakurai, Michihito Yamazaki, Yasushi Shimizu +1 more | 1996-07-09 |
| 5519472 | Developing apparatus using elastic blade | Masaki Ojima, Masaharu Ohkubo, Hiroki Kisu, Kazushige Sakurai, Michihito Yamazaki +6 more | 1996-05-21 |
| 5475471 | Changing member having a charging surface arranged with respect to a tangent line | Hiroki Kisu, Kazushige Sakurai, Michihito Yamazaki, Satoru Inami, Hiroaki Ogata +1 more | 1995-12-12 |