Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8194032 | Image display medium, preparation method thereof | Eiichi Sakai, Tatsuya Nagase, Okushi Okuyama, Yukio Hosoya | 2012-06-05 |
| 7839562 | White particles for image display device | Yukio Hosoya, Eiichi Sakai, Tatsuya Nagase, Okushi Okuyama | 2010-11-23 |
| 7830593 | Image display device | Satoshi Uchino, Okushi Okuyama, Yukio Hosoya, Hiroyuki Konno, Tatsuya Nagase | 2010-11-09 |
| 7813031 | Image display device | Tatsuya Nagase, Eiichi Sakai, Okushi Okuyama, Yukio Hosoya | 2010-10-12 |
| 7692846 | Image display device | Okushi Okuyama, Eiichi Sakai, Tatsuya Nagase, Yukio Hosoya | 2010-04-06 |
| 7374853 | Organic photoreceptor and an image forming method using the same | — | 2008-05-20 |
| 7285366 | Organic photoreceptor, an image forming method, an image forming apparatus and a process cartridge | Akihiko Itami, Satoshi Uchino | 2007-10-23 |
| 7220527 | Image forming apparatus and an image forming method | Masao Asano, Akihiko Itami, Satoshi Uchino | 2007-05-22 |
| 7127201 | Image forming apparatus and image forming method | Masao Asano, Tomoe Kitani | 2006-10-24 |
| 7085518 | Adhesive material for processing device, process cartridge, and electrophotographic image forming apparatus | Yuuko Yamaguchi, Ken Ohmura | 2006-08-01 |
| 7022450 | Image forming method and image forming apparatus | Masao Asano, Hiroshi Yamazaki, Akihiko Itami, Satoshi Uchino | 2006-04-04 |
| 5798200 | Electrophotographic image forming method | Katsumi Matsuura | 1998-08-25 |
| 5689771 | Color image forming apparatus having bias controller for cleaning transfer roller | Kazuhiko Sato | 1997-11-18 |
| 5633703 | Image forming apparatus having transfer roller and separation brush | Kazuhiko Sato | 1997-05-27 |
| 5273852 | Electrophotographic photoreceptor employing polysilane-type carrier transfer polymeric material | Kiyoshi Tamaki, Hideyuki Matsumoto | 1993-12-28 |
| 4925757 | Electrophotographic photoreceptor for negative electrification | Akira Hirano, Shiori SAITO, Yoshihide Fujimaki | 1990-05-15 |
| 4898799 | Photoreceptor | Yoshihide Fujimaki | 1990-02-06 |
| 4673629 | Photoreceptor having amorphous silicon layers | Toshinori Yamazaki, Tatsuo Nakanishi, Yuji Marukawa, Hiroyuki Nomori | 1987-06-16 |