Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6980753 | Developing device for an image forming apparatus and bearing seal structure for the same | — | 2005-12-27 |
| 6961535 | Image forming apparatus | Shinichi Kawahara, Satoshi Takano, Toshihiro Sugiyama, Hiroshi Saitoh, Hirokazu Ishii +1 more | 2005-11-01 |
| 6901230 | Toner container having lid including lug | Hideo Ichikawa, Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa +1 more | 2005-05-31 |
| 6813467 | Image forming apparatus | Shinichi Kawahara, Satoshi Takano, Toshihiro Sugiyama, Hiroshi Saitoh, Hirokazu Ishii +1 more | 2004-11-02 |
| 6813457 | Toner scatter preventing device and image forming apparatus including the same | — | 2004-11-02 |
| 6751431 | Developer replenishing device and developer container for use therewith | Hideo Ichikawa, Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa +1 more | 2004-06-15 |
| 6606468 | Toner scatter preventing device and image forming apparatus using the same | — | 2003-08-12 |
| 6418293 | Developer replenishing device and developer container for use therewith | Hideo Ichikawa, Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa +1 more | 2002-07-09 |
| 6289195 | Developer replenishing device and developer container for use therewith | Hideo Ichikawa, Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa +1 more | 2001-09-11 |
| 6075963 | Developer replenishing device and developer container for use therewith | Hideo Ichikawa, Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa +1 more | 2000-06-13 |
| 5970290 | Image forming apparatus with toner housing container which promotes efficient toner supply | Hideo Yoshizawa | 1999-10-19 |
| 5918090 | Developer replenishing device and developer container for use therewith | Hideo Ichikawa, Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa +1 more | 1999-06-29 |
| 5909610 | Toner container enclosed in a protective armoring member | Noboru Kusunose | 1999-06-01 |
| 5828935 | Image forming apparatus, toner supply unit, and toner bottle attached thereto | Kenzo Tatsumi, Noboru Kusunose | 1998-10-27 |
| 5822663 | Developer replenishing device and developer container for use therewith | Hideo Ichikawa, Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa +1 more | 1998-10-13 |
| 5794108 | Development device of an image forming apparatus and a driven toner bottle for use in the development device | Hideo Yoshizawa | 1998-08-11 |
| 5765079 | Toner bottle | Noboru Kusunose, Kenzo Tatsumi, Hideo Yoshizawa | 1998-06-09 |
| 5627631 | Developer replenishing device and developer container for use therewith | Hideo Ichikawa, Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa +1 more | 1997-05-06 |
| 5557382 | Toner replenishing device for a developing device | Kenzou Tatsumi, Takeshi Saito, Akio Kutsuwada, Noboru Kusunose | 1996-09-17 |
| 5500719 | Developer replenishing device and developer container for use therewith | Hideo Ichikawa, Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa +1 more | 1996-03-19 |
| 5493365 | Operating section for an image forming apparatus | Hideaki Matsui, Nobuaki Tomidokoro, Shigeru Watanabe, Shinichi Kawahara, Yasuhiro Kawashima +6 more | 1996-02-20 |
| 5455662 | Developer replenishing device and developer container for use therewith | Hideo Ichikawa, Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa +1 more | 1995-10-03 |
| 5442430 | Color image forming apparatus and cleaning device therefor | Yoshiko Ishii, Tsukuru Kai | 1995-08-15 |
| 5416568 | Developing unit for an image forming apparatus | Seiji Oka, Tomoji Ishikawa, Tsukuru Kai | 1995-05-16 |
| 5255059 | Image forming apparatus | Tsukuru Kai, Seiji Oka, Hidetoshi Yano, Tsuyoshi Deki | 1993-10-19 |