Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7251432 | System for collecting an unfixed developer with an airflow | Yoshiharu Yoneda, Hiroshi Kida | 2007-07-31 |
| 7218866 | Developer container and image forming apparatus | Shigeki Hayashi, Kazuya Koyama, Hitoshi Nagahama | 2007-05-15 |
| 7174120 | Developer supply device containing a stopping member which moves into a toner supply port and restricts rotation of the device and image forming apparatus including the same | Kazuya Koyama | 2007-02-06 |
| 7162190 | Toner feeder | — | 2007-01-09 |
| 7130566 | Developer container and image forming apparatus | Hitoshi Nagahama, Kazuya Koyama, Shigeki Hayashi | 2006-10-31 |
| 7035574 | Developer container and image forming apparatus | Kazuya Koyama, Shigeki Hayashi, Hitoshi Nagahama | 2006-04-25 |
| 7024135 | Developer container and image forming apparatus | Hitoshi Nagahama, Kazuya Koyama, Shigeki Hayashi | 2006-04-04 |
| 6736502 | Expandable/contractible type portable printer | — | 2004-05-18 |
| 6666536 | Ink jet device with movable platen | Kenji Nakanishi, Yasushi Matsutomo, Susumu Hashimoto, Takashi Kubo, Yasuaki Fukada | 2003-12-23 |
| 6074510 | Method for adhering together members molded from synthetic resin | Yoshiaki Tachibana, Kunihiro Tamahashi, Jun Nagata | 2000-06-13 |
| 5915691 | Document feeder and cover for an image forming apparatus | Takahiro Fukunaga, Masakiyo Okuda, Junichi Kajiwara, Yukinari Sato, Michiyuki Suzuki +5 more | 1999-06-29 |
| 5754713 | Image-reading device | Hirokazu Izumi, Koji Oku, Katsumi Nakanishi, Harumi Katayama, Keiji Nobuhara | 1998-05-19 |
| 5725207 | Sheet feeding/discharging device designed for image forming apparatus | — | 1998-03-10 |
| 5624107 | Image forming apparatus with a document feeder | Junichi Kajiwara, Masakiyo Okuda, Michiyuki Suzuki, Shinji Kato, Hideaki Hagihara +1 more | 1997-04-29 |
| 5535010 | Portable image processing apparatus | Hirokazu Izumi, Koji Oku, Shuuhei Yamamoto, Harumi Katayama | 1996-07-09 |
| 5233389 | Driving device for a document platen and copying machine incorporating a movable document platen | Yoshiaki Ibuchi, Mitsuru Ogura, Yoshifumi Maitani, Naoyuki Kamei | 1993-08-03 |
| 5113225 | Optical system driving device | — | 1992-05-12 |
| 5084730 | Operation input device for image forming machine | — | 1992-01-28 |
| 4814817 | Image forming device with separable units | Masaru Nishijima, Toshio Yamagishi | 1989-03-21 |
| 4796063 | Multiple-unit type copying apparatus | Akira Mitsuyama, Toshio Yamagishi | 1989-01-03 |
| 4332457 | Fixing device for fixing images of an original document on plain paper copy sheets | Akira Mitsuyama, Tadaaki Kawano, Tutomu Kato, Ituro Katoh | 1982-06-01 |
| 4276978 | Sheet conveyor for use in copying machines | Takeshi Ikegami | 1981-07-07 |