Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7813674 | Developing toner for electrophotography and electro-photographic device | Junji Kobayashi, Shigenori Yaguchi, Tomonari Hokkyo | 2010-10-12 |
| 7570904 | Image forming apparatus | Shigenori Yaguchi, Junji Kobayashi, Tomonari Hokkyo | 2009-08-04 |
| 7435519 | Electrophotographic toner and image forming apparatus | Shigenori Yaguchi, Junji Kobayashi, Tomonari Hokkyo | 2008-10-14 |
| 7144667 | Electrostatic charge image developing toner, and developer, image forming apparatus and image forming method using the same toner | Tsuneaki Kawanishi, Junji Kobayashi, Ryuuichi Shimizu, Shigenori Yaguchi | 2006-12-05 |
| 5634183 | Image printer | Yosuke Saito, Yasuo Kikuchi, Katsuhiro Akinaga, Tomio Sugaya | 1997-05-27 |
| 5245491 | Magneto-optical head employing optical fiber connected stationary and movable portions | Makoto Horie, Hideyuki Takashima, Shigeru Nakamura, Masahiro Ojima | 1993-09-14 |
| 5095472 | Focusing error detecting system for optical head | Akihiro Uchino, Seigo Naitoh, Shigeru Nakamura | 1992-03-10 |
| 4816890 | Optoelectronic device | Ichiro Fujiwara, Hiroshi Matsuda, Kazuhiro Ito, Kazuyuki Nagatsuma | 1989-03-28 |
| 4740819 | Photo semiconductor device | Hiroshi Matsuda, Makoto Morioka, Masahiko Kawata, Kazuhiro Kurata, Yasushi Koga | 1988-04-26 |
| 4563764 | Semiconductor laser device | Takao Kuroda, Takashi Kajimura, Yasutoshi Kashiwada, Naoki Chinone, Tsukuru Ohtoshi | 1986-01-07 |
| 4367483 | Optical semiconductor device | Takeo Takahashi, Kazuhiro Kurata, Yuichi Ono, Kazuhiro Ito, Makoto Morioka +5 more | 1983-01-04 |
| 4346395 | Light detecting photodiode-MIS transistor device | — | 1982-08-24 |
| 4242695 | Low dark current photo-semiconductor device | Toji Mukai | 1980-12-30 |