Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6329114 | Electrostatic image developing toner, production method thereof, electrostatic image developer and image-forming process | Takao Ishiyama, Manabu Serizawa, Takeshi Shoji, Yasuo Matsumura | 2001-12-11 |
| 6294302 | Toner for developing static image, developer for developing static image, and image forming method | Manabu Serizawa, Takao Ishiyama, Takeshi Shoji, Hideo Maehata | 2001-09-25 |
| 6132921 | Toner for electrostatic-charged image developer and production method thereof, electrostatic-charged image developer, and image-forming process | Takao Ishiyama, Manabu Serizawa, Takeshi Shoji, Yasuo Matsumura | 2000-10-17 |