Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8287232 | Compressor with controllable recirculation and method therefor | Ronglei Gu | 2012-10-16 |
| 6522862 | Compact image forming apparatus with vertical arrangement | Yoshiyuki Koshimizu, Naoki Okuda, Naomasa Kimura, Hiroaki Miyake, Masaaki Saito +3 more | 2003-02-18 |
| 6408142 | Process cartridge and image forming apparatus | Makoto Takeuchi, Toshiyuki Karakama, Atsushi Numagami | 2002-06-18 |
| 6308028 | Process cartridge having a particular electrical contact arrangement and image forming apparatus using such a process cartridge | Toshiyuki Karakama, Atsushi Numagami | 2001-10-23 |
| 6081688 | Both-face automatic original feeding apparatus | Tamotsu Okada, Hiroyoshi Maruyama, Yasumi Yoshida, Kazuo Shishido, Noriaki Koyanagi | 2000-06-27 |
| 6064842 | Process cartridge having a conductive member for use in detecting presence of the process cartridge, and image forming apparatus for using such a process cartridge | Makoto Takeuchi, Toshiyuki Karakama, Atsushi Numagami | 2000-05-16 |
| 5966566 | Recycle method for process cartridge and image forming apparatus | Kazuyoshi Odagawa, Hiroo Kobayashi, Isao Ikemoto, Toshiyuki Karakama, Atsushi Numagami +2 more | 1999-10-12 |
| 5953560 | Process cartridge, method for assembling process cartridge and image forming apparatus | Atsushi Numagami, Toshiyuki Karakama | 1999-09-14 |
| 5918876 | Sheet conveying apparatus | Hiroyoshi Maruyama | 1999-07-06 |
| 5907759 | Automatic original feeding apparatus capable of detecting delay in feeding an original and delaying feed of subsequent originals | — | 1999-05-25 |
| 5752154 | Sheet post-treatment apparatus of line-up free type | Hiroyoshi Maruyama, Yuji Takahashi, Yoshikuni Toyama, Shinichi Tanada, Toshihiko Kusumoto | 1998-05-12 |
| 5745824 | Connecting part feature for a process cartridge | — | 1998-04-28 |
| 5689774 | Process cartridge and image forming apparatus using such a process cartridge | Kazuo Shishido, Shinichi Sasaki, Isao Ikemoto, Toshiyuki Karakama, Atsushi Numagami | 1997-11-18 |
| 5652647 | Process cartridge, method for assembling process cartridge and image forming apparatus | Toshiyuki Karakama, Atsushi Numagami | 1997-07-29 |
| 5638161 | Process cartridge, method for assembling process cartridge and image forming apparatus | Atsushi Numagami, Toshiyuki Karakama | 1997-06-10 |
| 5619309 | Process cartridge, method for assembling process cartridge and image forming apparatus | Toshiyuki Karakama, Atsushi Numagami | 1997-04-08 |
| 5617579 | Process cartridge, method for assembling process cartridge and image forming apparatus | Shinichi Sasaki, Isao Ikemoto, Koji Miura, Toshiyuki Karakama, Atsushi Numagami | 1997-04-01 |
| 5597153 | Automatic original feed apparatus | Hiroyoshi Maruyama, Yuji Takahashi, Yoshikuni Toyama, Shinichi Tanada, Toshihiko Kusumoto | 1997-01-28 |
| 5585895 | Developing device and process cartridge with it | Toshiyuki Karakama, Atsushi Numagami | 1996-12-17 |
| 5581328 | Process cartridge having connectable first and second frames and a recording apparatus using such a process cartridge | — | 1996-12-03 |
| 5543898 | Process cartridge, method for assembling process cartridge and image forming apparatus | Kazuo Shishido, Shinichi Sasaki, Isao Ikemoto, Toshiyuki Karakama, Atsushi Numagami | 1996-08-06 |
| 5500714 | Process cartridge, method for assembling process cartridge and image forming appararatus | Shinichi Sasaki, Isao Ikemoto, Koji Miura, Toshiyuki Karakama, Atsushi Numagami | 1996-03-19 |
| 5492315 | Sheet post-treatment apparatus having tab trimmer | Hiroyoshi Maruyama, Yuji Takahashi, Yoshikuni Toyama, Shinichi Tanada, Toshihiko Kusumoto | 1996-02-20 |
| 5473421 | Multicolor image forming apparatus for forming a multicolor image on a transfer material | Hiroyoshi Maruyama | 1995-12-05 |
| 5450166 | Process cartridge, recording apparatus, and method for assembling process cartridge | — | 1995-09-12 |