Issued Patents All Time
Showing 226–239 of 239 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6336013 | Image forming apparatus and process cartridge having magnet to prevent toner scattering | Takeo Suda | 2002-01-01 |
| 6334039 | Method and apparatus for image forming apparatus capable of accurately detecting toner image patterns | Masumi Sato, Kazuhiko Yuuki, Yoshinori Ozawa, Atsushi Takehara | 2001-12-25 |
| 6277173 | System and method for discharging gas | Takayuki Sadakata, Katsuhiro Ozaki | 2001-08-21 |
| 6256465 | Image forming apparatus and image forming unit therefor | Takeo Suda, Moriaki Ogawa | 2001-07-03 |
| 6208826 | Transfer device having notches, method and image forming apparatus using the same transfer device or method | Kunihiro Ohyama | 2001-03-27 |
| 6112098 | Cordless or wireless system protocol for providing reliable channel connections | Eprhaim Bemis Flint, Brian P. Gaucher, Young Hoon Kwark, Nobutoyo Nakano, Tsutomu Iwasaki +1 more | 2000-08-29 |
| 6101351 | Image forming apparatus having a shutter mechanism for protecting an image bearing member | Takeo Suda | 2000-08-08 |
| 6055388 | Image forming apparatus and method for obtaining appropriate toner density | Shigeru Watanabe, Masaru Tanaka, Haruji Mizuishi, Kenzou Tatsumi, Toshitaka Yamaguchi +3 more | 2000-04-25 |
| 6055394 | Reliable cover switch employing machine | Takeo Suda | 2000-04-25 |
| 6006050 | Image forming method and apparatus for controlling amount of supplied toner or agitating time | Shigeru Watanabe, Masaru Tanaka, Haruji Mizuishi, Toshitaka Yamaguchi, Kenzou Tatsumi +3 more | 1999-12-21 |
| 5915143 | Image forming apparatus and method for automatically adjusting toner density in response to humidity variations | Shigeru Watanabe, Masaru Tanaka, Haruji Mizuishi, Kenzo Tatsumi, Toshitaka Yamaguchi +3 more | 1999-06-22 |
| 5905004 | Electrode for alkali secondary battery and method for producing the same | Tetsuo Sakai, Itsuki Uehara, Masasi Wada | 1999-05-18 |
| 5887224 | Image forming device with improved mixing of circulated developer with replensihed toner | Haruji Mizuishi, Masaru Tanaka, Shigeru Watanabe, Kenzo Tatsumi, Toshitaka Yamaguchi +3 more | 1999-03-23 |
| 5559593 | Cleaning device for an image forming apparatus | Akira Sawada | 1996-09-24 |