Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5888686 | Toner, developer and image forming method employing the toner | Tomoe Kikuchi, Kenji Hayashi, Yoshiki Nishimori, Mikio Kohyama | 1999-03-30 |
| 5851713 | Toner for developing an electrostatic latent image | Kenji Hayashi, Mikio Koyama, Tomoe Kikuchi, Hiroshi Yamazaki, Shinichi Suzuki +2 more | 1998-12-22 |
| 5753395 | Electrophotographic photoreceptor | Akira Kinoshita, Kazumasa Watanabe, Akihiko Itami | 1998-05-19 |
| 5497289 | Inverter apparatus and method therefor | Eiichi Sugishima, Wataru Ikeshita, Shinzo Tomonaga | 1996-03-05 |
| 5270140 | Bisstyryl compound and the electrophotographic photoreceptors relating thereto | Naoto Abew, Hirofumi Hayata, Syozo Mitsui, Shinichi Suzuki, Osamu Sasaki +2 more | 1993-12-14 |
| 5039586 | Electrophotographic photoreceptor | Akihiko Itami, Akira Kinoshita, Kazumasa Watanabe, Kiyoshi Sawada | 1991-08-13 |
| 4994339 | Electrophotographic photoreceptor using titanyl phthalocyanine | Akira Kinoshita, Kazumasa Watanable, Akihiko Itami, Kiyoshi Sawada | 1991-02-19 |
| 4737430 | Electrophotographic photoreceptor with azo-containing photosensitive member | Akira Kinoshita, Kiyoshi Sawada | 1988-04-12 |
| 4692393 | Photoreceptor having a photosensitive layer containing an azo compound | Akira Kinoshita, Kazumasa Watanabe, Hiroshi Yamazaki | 1987-09-08 |
| 4647520 | Electrophotographic photoreceptor containing an azo compound | Kazumasa Watanabe, Satoru Ikeuchi, Osamu Sasaki | 1987-03-03 |
| 4579800 | Azo photoreceptor | Osamu Sasaki, Yoshio Takizawa | 1986-04-01 |
| 4576886 | Azo photoreceptor | Osamu Sasaki, Yoshio Takizawa | 1986-03-18 |
| 4562131 | Photoreceptor containing a trisazo compound for use in electrophotography | Osamu Sasaki, Kiyoshi Sawada | 1985-12-31 |