Issued Patents All Time
Showing 76–83 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623328 | Process cartridge and image forming system on which process cartridge is mountable | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Kazushi Watanabe, Yoshikazu Sasago +9 more | 1997-04-22 |
| 5619309 | Process cartridge, method for assembling process cartridge and image forming apparatus | Masahiko Yashiro, Atsushi Numagami | 1997-04-08 |
| 5617579 | Process cartridge, method for assembling process cartridge and image forming apparatus | Masahiko Yashiro, Shinichi Sasaki, Isao Ikemoto, Koji Miura, Atsushi Numagami | 1997-04-01 |
| 5585895 | Developing device and process cartridge with it | Masahiko Yashiro, Atsushi Numagami | 1996-12-17 |
| 5543898 | Process cartridge, method for assembling process cartridge and image forming apparatus | Kazuo Shishido, Shinichi Sasaki, Isao Ikemoto, Masahiko Yashiro, Atsushi Numagami | 1996-08-06 |
| 5500714 | Process cartridge, method for assembling process cartridge and image forming appararatus | Masahiko Yashiro, Shinichi Sasaki, Isao Ikemoto, Koji Miura, Atsushi Numagami | 1996-03-19 |
| 5455665 | Cleaning apparatus with a member to prevent peeling of a guide member, and a process cartridge and image forming apparatus using the same | Mutsumi Baba, Takeo Shoji, Kazunori Kobayashi, Toru Oguma | 1995-10-03 |
| 5208634 | Process cartridge detachably mountable to image forming apparatus featuring an injectable sealing member | Isao Ikemoto, Tadayuki Tsuda, Kazushi Watanabe, Kazuhiko Ishiwata, Kazuo Shishido +4 more | 1993-05-04 |