Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7542697 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2009-06-02 |
| 7356290 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2008-04-08 |
| 7289748 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa, Yoshi Hattori +4 more | 2007-10-30 |
| 7218880 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa, Yoshi Hattori +4 more | 2007-05-15 |
| 7209689 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2007-04-24 |
| 7130558 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2006-10-31 |
| 7088945 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2006-08-08 |
| 6901230 | Toner container having lid including lug | Hideo Ichikawa, Takeshi Saito, Sunao Ikeda, Nobuhiro Makita, Seiji Ozawa +1 more | 2005-05-31 |
| 6775503 | Image forming apparatus with improved capabilities for toner supply | Yoshio Hattori, Kazuhisa Sudo | 2004-08-10 |
| 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 |
| 6748190 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa, Yoshi Hattori +4 more | 2004-06-08 |
| 6628908 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2003-09-30 |
| 6591077 | Image forming apparatus and toner container therefor | Tomotoshi Nakahara, Masumi Sato, Kazuhisa Sudo, Yoshio Hattori, Kouta Fujimori | 2003-07-08 |
| 6567637 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa, Yoshi Hattori +4 more | 2003-05-20 |
| 6507720 | Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers therefor | Masaaki Kabumoto, Goro Katsuyama, Kanae Amemiya, Masahiro Kurita, Masahiro Yonekawa +6 more | 2003-01-14 |
| 6501913 | Container, its support structure, and image formation apparatus | Yoshio Hattori, Tomotoshi Nakahara, Kazuhisa Sudo, Kouta Fujimori, Masumi Sato | 2002-12-31 |
| 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 |
| 6393241 | Nozzle having an end portion capable of penetrating into a toner discharging portion included in a toner container that stores powdery toner | Junichi Matsumoto, Nobuo Kasahara, Satoshi Muramatsu, Nobuo Iwata, Tomotoshi Nakahara +4 more | 2002-05-21 |
| 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 |
| RE36301 | Image forming apparatus having rotatable electrophotographic process unit | Tsukuru Kai, Masayuki Ohtani, Hisashi Ishijima, Masaaki Nagano | 1999-09-14 |
| 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 |
| 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 |
| 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 |
| 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 |