Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6711372 | Developing apparatus | Joji Ota, Kenichi Tanaka, Hiroto Mikado | 2004-03-23 |
| 5416565 | Method and apparatus for forming electrophotographic image | — | 1995-05-16 |
| 5304381 | Stabilization of polyprenyl compound | Keizo Uesugi, Michiru Tanaka, Masanori Kayano | 1994-04-19 |
| 5190843 | Method and apparatus for developing electrostatic latent images | Kazuo Hamamura, Tetsuo Murase | 1993-03-02 |
| 5093200 | Multilayer sustained release granule | Sumio Watanabe, Ichiro YAMAKAWA, Hidenobu Ando, Yasuo Miyake | 1992-03-03 |
| 4682878 | Fixing devices for electrophotographic apparatus | Tatsuji Takizawa, Hideaki Takigawa | 1987-07-28 |
| 4364659 | Controlling toner concentration of dry developing agent in electrophotography | — | 1982-12-21 |
| 4290690 | Device for controlling potential of latent image for use in electrophotographic apparatus | Kazuo Hamamura, Yoichi Morita | 1981-09-22 |
| 4262075 | Method of electrophotography | Kazuo Hamamura, Yoichi Morita | 1981-04-14 |
| 4253761 | Cleaning devices for use in electrophotographic apparatus | Tatsuji Takizawa | 1981-03-03 |