Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477319 | Image recording apparatus which sends charasteristic/correction signals whenever new look-up table are selected or a pre-selected number of pages have been printed | Michio Ito, Hiroshi Sasame, Hiromichi Yamada, Masaki Ojima, Kaoru Seto +3 more | 2002-11-05 |
| 6427054 | Image forming apparatus indicating the residue of toner and the deficiency of toner | Minoru Matsuguma | 2002-07-30 |
| 6259885 | Image forming apparatus having transportation guide with fluorinated resin | Hiroshi Kataoka | 2001-07-10 |
| 6134025 | Dot image data output apparatus | Akihiko Takeuchi, Takashi Kawana, Kaoru Seto, Michio Itoh, Hiroshi Atobe +8 more | 2000-10-17 |
| 6108105 | Dot image output apparatus | Akihiko Takeuchi, Takashi Kawana, Kaoru Seto, Michio Itoh, Hiroshi Atobe +8 more | 2000-08-22 |
| 6052549 | Charging roller, and process cartridge and image-forming apparatus employing the roller | Masaru Shimura, Takayasu Yuminamochi | 2000-04-18 |
| 6002106 | Fixing device | Hiroshi Kataoka | 1999-12-14 |
| 5982983 | Image recording system accommodating various output devices | Michio Ito, Hiroshi Sasame, Hiromichi Yamada, Masaki Ojima, Kaoru Seto +3 more | 1999-11-09 |
| 5859948 | Images processing apparatus for controlling binarized multi-value image data to convert pulse widths differently in at least two modes | Michio Ito, Hiroshi Sasame, Hiromichi Yamada, Masaki Ojima, Kaoru Seto +3 more | 1999-01-12 |
| 5754188 | Data processing apparatus | Kaoru Seto, Hiroshi Mano, Toshio Yoshimoto, Takashi Soya, Atsushi Kashihara +8 more | 1998-05-19 |
| 5682576 | Fixing device | Hiroaki Sakai, Norio Hashimoto, Takayasu Yuminamochi, Hiroto Hasegawa, Kazuaki Ono +2 more | 1997-10-28 |
| 5659869 | Image fixing apparatus having pressure roller with fluorine surface active agent | Yasumasa Ohtsuka, Miho Aoki, Yukihiro Ohzeki, Koichi Okuda | 1997-08-19 |
| 5596388 | Process cartridge with an information feature and image forming apparatus for use with the same | Mitsuru Honda | 1997-01-21 |
| 5565995 | System for correcting a pulse-width-modulated signal in a recording apparatus | Hiromichi Yamada, Masaki Ojima, Hiroshi Sasame, Takashi Kawana, Kaoru Seto +4 more | 1996-10-15 |
| 5543899 | Charging member having a foamed layer of a material with specified density and pore properties, charging device, process cartridge and image forming apparatus featuring the charging member | Satoru Inami, Junichi Kato | 1996-08-06 |
| 5541711 | Charging member having a cavity, charging device, process unit, and image forming apparatus having such a charging member | Hiroki Kisu, Kazushige Sakurai, Michihito Yamazaki, Erika Asano | 1996-07-30 |
| 5534344 | Charging member having a loosely supported charger portion | Hiroki Kisu, Kazushige Sakurai, Michihito Yamazaki, Erika Asano, Yasushi Shimizu +1 more | 1996-07-09 |
| 5519472 | Developing apparatus using elastic blade | Masaki Ojima, Hiroki Kisu, Kazushige Sakurai, Michihito Yamazaki, Yukihiro Ohzeki +6 more | 1996-05-21 |
| 5508811 | Image reading and recording apparatus with correct image mode and mirror image mode | Shunichi Abe, Akio Suzuki, Yoshihiro Takada | 1996-04-16 |
| 5488487 | Image forming apparatus, and modulating method therein | Masaki Ojima, Michio Itoh, Hiroshi Sasame, Hiromichi Yamada, Tetsuo Saito +5 more | 1996-01-30 |
| 5475472 | Image process unit having charging member impedance correction feature | Masanobu Saito | 1995-12-12 |
| 5463473 | Siphen for correcting a pulse-width modulated signal in a recording apparatus | Hiromichi Yamada, Masaki Ojima, Hiroshi Sasame, Takashi Kawana, Kaoru Seto +4 more | 1995-10-31 |
| 5430526 | Image forming apparatus having weighting material in image bearing member and process cartridge usable with same | Hiroki Kisu, Kazushige Sakurai, Shinichi Tsukida | 1995-07-04 |
| 5353104 | Defining member for defining thickness of one-component developer and developing device equipped with it | Junichi Kato, Masahiro Watabe, Noriyuki Yanai, Masaki Ojima, Hiroshi Sato | 1994-10-04 |
| 5140349 | Recording apparatus | Makoto Abe, Kaoru Seto, Takashi Kawana, Atsushi Kashihara, Hiroshi Mano +5 more | 1992-08-18 |