Issued Patents All Time
Showing 1–25 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7917055 | Toner container including a toner draining unit and a shutter, and corresponding image forming apparatus | Goro Katsuyama, Nobuo Iwata, Satoshi Muramatsu, Junichi Matsumoto | 2011-03-29 |
| 7894753 | Developer container including mouth member and image forming apparatus including the same | Nobuo Iwata, Satoshi Muramatsu, Junichi Matsumoto | 2011-02-22 |
| 7796914 | Powder container having a cylindrical shutter | Junichi Matsumoto, Nobuo Iwata, Satoshi Muramatsu, Goro Katsuyama | 2010-09-14 |
| 7778577 | Developer container for an image forming apparatus | Satoshi Muramatsu, Junichi Matsumoto, Nobuo Iwata | 2010-08-17 |
| 7603054 | Image forming apparatus, powder supplying unit, toner container, powder container, and method of recycling the powder container | Goro Katsuyama, Nobuo Iwata, Satoshi Muramatsu, Junichi Matsumoto | 2009-10-13 |
| 7593674 | Body member of a powder container | Junichi Matsumoto, Nobuo Iwata, Satoshi Muramatsu, Goro Katsuyama | 2009-09-22 |
| 7542697 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa, Yoshio Hattori +5 more | 2009-06-02 |
| 7542703 | Developing device replenishing a toner or a carrier of a two-ingredient type developer and image forming apparatus including the developing device | Nobuo Iwata, Satoshi Muramatsu, Junichi Matsumoto | 2009-06-02 |
| 7536139 | Powder container for use in an image forming apparatus having an opening which faces horizontally | Goro Katsuyama, Nobuo Iwata, Satoshi Muramatsu, Junichi Matsumoto | 2009-05-19 |
| 7509079 | Toner, toner conveying apparatus and method, and image forming apparatus | Satoshi Muramatsu, Nobuo Iwata, Junichi Matsumoto | 2009-03-24 |
| 7450891 | Developer container for an image forming apparatus | Satoshi Muramatsu, Junichi Matsumoto, Nobuo Iwata | 2008-11-11 |
| 7406278 | Powder container having a lower section with multiple parts which rotatably engage with each other | Goro Katsuyama, Nobuo Iwata, Satoshi Muramatsu, Junichi Matsumoto | 2008-07-29 |
| 7356290 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa, Yoshio Hattori +5 more | 2008-04-08 |
| 7346299 | Developer container for an image forming apparatus | Satoshi Muramatsu, Junichi Matsumoto, Nobuo Iwata | 2008-03-18 |
| 7277664 | Image forming device, powder feeding device, toner storage container, powder storage container, and method of recycling the containers | Goro Katsuyama, Nobuo Iwata, Satoshi Muramatsu, Junichi Matsumoto | 2007-10-02 |
| 7277665 | Toner container configured for toner replenishment through blow system | Seiji Terazawa, Tetsuya Kusano, Satoshi Muramatsu, Fumio Ogata, Takeshi Tamaru | 2007-10-02 |
| 7257348 | Body member of a powder container | Junichi Matsumoto, Nobuo Iwata, Satoshi Muramatsu, Goro Katsuyama | 2007-08-14 |
| 7221891 | Body member of a powder container | Junichi Matsumoto, Nobuo Iwata, Satoshi Muramatsu, Goro Katsuyama | 2007-05-22 |
| 7209689 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa, Yoshio Hattori +5 more | 2007-04-24 |
| 7130558 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa, Yoshio Hattori +5 more | 2006-10-31 |
| 7116928 | Powder discharging device and image forming apparatus using the same | Satoshi Muramatsu, Nobuo Iwata, Junichi Matsumoto | 2006-10-03 |
| 7088945 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa, Yoshio Hattori +5 more | 2006-08-08 |
| 7085522 | Developer container for an image forming apparatus | Satoshi Muramatsu, Junichi Matsumoto, Nobuo Iwata | 2006-08-01 |
| 7076191 | Toner, toner conveying apparatus and method, and image forming apparatus | Satoshi Muramatsu, Nobuo Iwata, Junichi Matsumoto | 2006-07-11 |
| 7065313 | Developer container, developer replenishing device using the same and image forming apparatus including the same | Junichi Matsumoto, Nobuo Iwata, Satoshi Muramatsu | 2006-06-20 |