Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7022448 | Electrophotographic toner and image-forming system | Shigenori Yaguchi, Ryuuichi Shimizu, Junji Kobayashi, Tadahiro Kaneko, Tsuneaki Kawanishi | 2006-04-04 |
| 6853829 | Multi-color printer and method therefor | Hiroyuki Mabuchi | 2005-02-08 |
| 6836632 | Small-size color electro-photographic apparatus | Toru Miyasaka, Masashi Yamamoto, Seiji Maruo | 2004-12-28 |
| 6783909 | Electrostatic image developing toner and image forming method | Tsuneaki Kawanishi, Ryuuichi Shimizu, Shigenori Yaguchi, Junji Kobayashi, Tadahiro Kaneko | 2004-08-31 |
| 6696210 | Electrostatic charge developing toner and image forming method using the same | Shigenori Yaguchi, Ryuuichi Shimizu, Junji Kobayashi, Tsuneaki Kawanishi | 2004-02-24 |
| 6574451 | Small-size color electro-photographic apparatus | Toru Miyasaka, Masashi Yamamoto, Seiji Maruo | 2003-06-03 |
| 6556229 | Electrophotographic apparatus having a fringe development preventing mechanism | Teruaki Mitsuya, Hisao Okada, Yoshihiko Sano, Shinichi Akatsu, Shinya Kobayashi | 2003-04-29 |
| 6543360 | Printing plate and printer using it | Hiroshi Sasaki, Mitsuyoshi Shouji, Kenichi Kawashima, Yutaka Ito, Teruaki Mitsuya | 2003-04-08 |
| 6131000 | Electrophotographic printing apparatus using electric potential dividing development | Shinichi Akatsu, Teruaki Mitsuya, Kenichi Ito, Ryuuichi Shimizu, Hisao Okada +3 more | 2000-10-10 |
| 6085051 | Small-size color electro-photographic apparatus | Toru Miyasaka, Masashi Yamamoto, Seiji Maruo | 2000-07-04 |
| 6067102 | Electrophotographic recording device and exposure controlling device therefor | Mamoru Okano, Shinya Kobayashi | 2000-05-23 |
| 5995124 | Color electrophotographic printer with belt control | Shinya Kobayashi, Kunio Satou, Mamoru Okano, Kazuhito Masuda, Masaya Adachi | 1999-11-30 |
| 5893664 | Multi-color image forming apparatus having arrangements for reducing ozone generation | Takao Kumasaka | 1999-04-13 |
| 5869214 | Color image forming apparatus and color image forming method thereof | Masayasu Anzai, Yoshihiro Gunji, Kozi Kato, Shin-ichi Nishino, Teruaki Mitsuya | 1999-02-09 |
| 5860049 | Developing apparatus and picture image forming apparatus | Takao Kumasaka, Tatsuo Igawa, Shigetaka Fujiwara | 1999-01-12 |
| 5815775 | Color electro-photographic apparatus | Toru Miyasaka, Masashi Yamamoto, Seiji Maruo | 1998-09-29 |
| 5666598 | Image forming method and apparatus using energy beam impingement on image forming particles to move the same | Tatsuya Sugita, Akira Arimoto, Teruaki Mitsuya, Mamoru Okano, Atsushi Onose +4 more | 1997-09-09 |
| 5666599 | Color electro-photographic printing apparatus | Toru Miyasaka, Masashi Yamamoto, Seiji Maruo | 1997-09-09 |
| 5548375 | Integrated printing system for automated and maintenance free operation | Teruaki Mitsuya, Hisao Okada | 1996-08-20 |
| 5291253 | Corona deterioration and moisture compensation for transfer unit in an electrophotographic apparatus | Takao Kumasaka, Yuzuru Simazaki, Yasuo Takuma, Masato Yamada | 1994-03-01 |
| 5181129 | Electronic blackboard | Kunio Sato, Susumu Akimaru, Yasuro Hori | 1993-01-19 |
| 5075730 | Apparatus and method for forming an image | — | 1991-12-24 |
| 4959693 | Duplex reproducing apparatus with device for cooling and conveying fused toner image | Teruaki Mitsuya, Takao Kumasaka, Takao Umeda, Yasuro Hori, Ikuo Shimokobe | 1990-09-25 |
| 4822702 | Method for forming multi-color toner image | Masayasu Anzai, Isamu Komatsu, Susumu Akimaru | 1989-04-18 |
| 4769672 | Electrophotographic process | Masayasu Anzai | 1988-09-06 |