Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7085524 | Image forming apparatus | Takamitsu Soda, Akihiko Takeuchi, Tatsuya Kobayashi, Takehiko Suzuki | 2006-08-01 |
| 7010254 | Imaging forming apparatus | Akihiko Takeuchi, Tatsuya Kobayashi, Takehiko Suzuki, Takamitsu Soda | 2006-03-07 |
| 6963716 | Image forming apparatus featuring a resistance relationship between an image bearing member and a transfer member | Tatsuya Kobayashi, Takashi Shibuya, Masaru Shimura, Seiji Saito | 2005-11-08 |
| 6934499 | Image forming apparatus | Noriaki Sato, Hideo Nanataki, Tomio Noguchi | 2005-08-23 |
| 6879801 | Image forming apparatus | Takamitsu Soda, Takao Kume, Koichi Suzuki, Noriaki Sato | 2005-04-12 |
| 6856777 | Image forming apparatus with first and second charging members for charging residual toner | Takashi Shibuya, Masaru Shimura, Seiji Saito | 2005-02-15 |
| 6801741 | Image forming apparatus with intermediary transfer member | Akihiko Takeuchi | 2004-10-05 |
| 6711367 | Image forming apparatus and belt unit detachably mountable thereto | Seiji Saito, Takashi Shibuya, Masaru Shimura | 2004-03-23 |
| 6639616 | Image forming apparatus and image forming method featuring image formation in two, different-speed modes | Akihiko Takeuchi | 2003-10-28 |
| 6374065 | Speed ratio between an image holding member and a developer carrier varies according to an image ratio | Katsuhiko Nishimura, Tatsuya Kobayashi, Takashi Shibuya | 2002-04-16 |
| 6175702 | Color image forming apparatus which prevents the scatter of color characters and lines | Akihiko Takeuchi, Tatsuya Kobayashi, Toshiaki Miyashiro, Takaaki Tsuruya, Kazuhiro Funatani | 2001-01-16 |
| 6101286 | Image processing apparatus and method having improved color-boundary mixing | Satoshi Shimizu, Haruo Fujii, Hiroshi Sasame, Tatsuya Kobayashi, Takashi Kawana +5 more | 2000-08-08 |
| 6097919 | Image forming apparatus | Akihiko Takeuchi, Tatsuya Kobayashi, Toshiaki Miyashiro, Takaaki Tsuruya | 2000-08-01 |
| 5995793 | Image forming apparatus and method for manufacturing intermediary transfer belt for image forming apparatus | Akihiko Takeuchi, Tatsuya Kobayashi, Toshiaki Miyashiro | 1999-11-30 |
| 5953572 | Image forming apparatus having intermediary transfer member | Akihiko Takeuchi, Tatsuya Kobayashi, Toshiaki Miyashiro, Takaaki Tsuruya | 1999-09-14 |
| 5946538 | Image forming apparatus | Akihiko Takeuchi, Tatsuya Kobayashi, Toshiaki Miyashiro, Takaaki Tsuruya, Kazuhiro Funatani | 1999-08-31 |
| 5930570 | Oriented foamed rotary member, and developing device using same | Yoshiro Saito, Hiroshi Sasame, Tatsuhiko Hayakawa, Tetsuya Kobayashi, Tomoyuki Ohkura +1 more | 1999-07-27 |
| 5899610 | Image bearing belt and image forming apparatus using same | Akihiko Takeuchi, Toshiaki Miyashiro, Takaaki Tsuruya | 1999-05-04 |
| 5873010 | Image forming apparatus for performing correction control, based on density of toner image | Takao Aoki, Haruo Fujii, Hiroshi Sasame, Tatsuhiko Hayakawa, Tatsuya Kobayashi +4 more | 1999-02-16 |
| 5809387 | Image forming apparatus employing an intermediary transfer member | Akihiko Takeuchi, Toshiaki Miyashiro, Takaaki Tsuruya | 1998-09-15 |
| 5768670 | Developer regulating member having thermoplastic resin layers provided on both sides of a rubber member, method of manufacturing the same, and developing device using the same | Hiroshi Sasame, Toru Ishigaki, Tetsuya Kobayashi, Yoshiro Saito, Arihiro Yamamoto | 1998-06-16 |
| 5697028 | Developer-supplying roller having a surface-modifying powder | Tetsuya Kobayashi, Hiroshi Sasame, Tatsuhiko Hayakawa, Yoshiro Saito | 1997-12-09 |
| 5689783 | Elastic blade and developing device using the same | Hiroshi Sasame, Toru Ishigaki, Noriyuki Yanai, Tetsuya Kobayashi, Yoshiro Saito +1 more | 1997-11-18 |
| 5678130 | Developing apparatus including a control function for applied periodic developing bias field | Haruo Fujii, Hiroshi Sasame, Motoi Katoh, Tatsuya Kobayashi, Masao Nakano +5 more | 1997-10-14 |
| 5666597 | Image forming apparatus with delayed discharge by discharge means | Hiroshi Sasame, Haruo Fujii, Tatsuhiko Hayakawa, Tatsuya Kobayashi, Tetsuya Kobayashi +3 more | 1997-09-09 |