Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6248494 | Toner for developing an electrostatic image and a production method thereof, and an image forming method | Hiroshi Yamazaki, Ken Ohmura, Meizo Shirose, Shigenori Kouno | 2001-06-19 |
| 6228551 | Toner for developing electrostatic image | Ken Ohmura | 2001-05-08 |
| 6197468 | Toner and image forming method | Ken Ohmura | 2001-03-06 |
| 5679491 | Toner used for developing an electrostatic charge image | Kenji Yamane, Hatsumi Yamada, Yuji Marukawa | 1997-10-21 |
| 5637431 | Developer for electrophotography | Kenji Yamane, Yuji Marukawa | 1997-06-10 |
| 5350655 | Electrophotographic photoreceptor with titanyl phthaloycyanine | Fumitaka Mochizuki, Hajime Tadokoro, Akira Kinoshita, Kazumasa Watanabe, Kiyoshi Tamaki +1 more | 1994-09-27 |