Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405004 | Process cartridge and image forming apparatus | Naoki Asano | 2002-06-11 |
| 6282389 | Electrophotographic photosensitive drum, process cartridge and electrophotographic image forming apparatus | Akira Suzuki, Kazuo Chadani | 2001-08-28 |
| 6266502 | Process cartridge with cleaning frame having reinforcing member | Tadayuki Tsuda, Akira Suzuki, Kazuo Chadani | 2001-07-24 |
| 6219504 | Process cartridge and image forming apparatus | Akira Suzuki, Kazuo Chadani | 2001-04-17 |
| 6208817 | Developing apparatus and method for assembling the same | Kazuo Chadani, Akira Suzuki | 2001-03-27 |
| 6205305 | Developing apparatus having welded-together accommodating and developing containers | Akira Suzuki, Kazuo Chadani | 2001-03-20 |
| 6173140 | Coupling member, process cartridge and assembling method of process cartridge | Akira Suzuki, Shigeo Miyabe, Kazuo Chadani | 2001-01-09 |
| 6173145 | Developing apparatus with drive mechanism for developer bearing body | Kazuo Chadani, Tadayuki Tsuda, Akira Suzuki | 2001-01-09 |
| 6144815 | Developing device, process cartridge and electrophotographic image forming apparatus | Kazuo Chadani, Akira Suzuki | 2000-11-07 |
| 6097906 | Electrophotographic image forming apparatus having a main assembly connector and a process cartridge having a cartridge connector electrically connectable with the main assembly connector | Tadayuki Tsuda, Hiroshi Yukimachi, Kazunori Takashima | 2000-08-01 |
| 6064841 | Power supply for a charging apparatus having a contact charger for charging an object to be charged | Tadayuki Tsuda, Katsunori Yokoyama | 2000-05-16 |
| 6011941 | Process cartridge and electrophotographic image forming apparatus | Kazunori Takashima, Tadayuki Tsuda, Hiroshi Yukimachi | 2000-01-04 |
| 5966567 | Process cartridge and electrophotographic image forming apparatus | Shigeo Miyabe, Akira Suzuki, Kazuo Chadani | 1999-10-12 |
| 5943529 | Process cartridge and electrophotographic image forming apparatus | Shigeo Miyabe, Kazuo Chadani | 1999-08-24 |
| 5832343 | Toner supply method, toner accommodation container, process cartridge and electrophotographic image forming apparatus | Kazunori Kobayashi, Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Toshiaki Nagashima +1 more | 1998-11-03 |
| 5781831 | Developing apparatus, process cartridge, image forming apparatus and assembly method for process cartridges | Toshiyuki Karakama, Kazunori Kobayashi | 1998-07-14 |