Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7546076 | Image forming apparatus and transfer medium guiding apparatus used therein | Tetsuya Furuyama | 2009-06-09 |
| 6668153 | Cleaning blade, cleaner for image carrying body, and image forming apparatus | Makoto Sakanobe, Noriaki Kojima, Yasunori Unagida, Hiroyuki Koide, Yoshinori Nakano | 2003-12-23 |
| 6263174 | Image forming apparatus with reference signal changing circuit | Nobuo Hyakutake, Mikio Kobayashi | 2001-07-17 |
| 6243550 | Compact image formation system having a plurality of paper trays | Yasutomo Ishii, Nobukazu Takahashi, Kazunori Numao, Fumio Furusawa, Junichiro Sameshima +2 more | 2001-06-05 |
| 6222606 | Duplex imaging apparatus | Akihisa Maruyama, Yasutomo Ishii, Katsuya Takenouchi, Keitaro Sonoguchi, Yasutaka Naito +6 more | 2001-04-24 |
| 6173136 | Fuser for two-sided imager | Akihisa Maruyama, Yasutomo Ishii, Katsuya Takenouchi, Keitaro Sonoguchi, Yasutaka Naito +6 more | 2001-01-09 |
| 6078762 | Image formation apparatus for document production or reproduction | Yasutomo Ishii, Nobukazu Takahashi, Kazunori Numao, Fumio Furusawa, Junichiro Sameshima +2 more | 2000-06-20 |
| 5790930 | Image forming method and apparatus therefor | — | 1998-08-04 |
| 5742888 | Transfer apparatus for an image forming apparatus | Kouji Hamabe, Osamu Handa | 1998-04-21 |
| 5655190 | Rotary developing equipment switching apparatus | — | 1997-08-05 |
| 5529628 | Developing unit | Yoshikazu Okamoto, Ryuji Gotoh | 1996-06-25 |
| 5270483 | Developing apparatus | Yoshio Inoue, Yoshikazu Okamoto, Yoshikazu Takahashi, Tomoyoshi Chihara | 1993-12-14 |