Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640882 | Image forming method of negative latent images using silica particles | Yasuo Mitsuhashi, Masaki Uchiyama, Kenji Okado | 1987-02-03 |
| 4626487 | Particulate developer containing inorganic scraper particles and image forming method using the same | Yasuo Mitsuhashi, Masaki Uchiyama, Kenji Okado | 1986-12-02 |
| 4568625 | Developer comprising a modified silicone oil and development process for electrophotography | Masaki Uchiyama, Yasuo Mitsuhashi, Masanori Takenouchi, Eiichi Imai, Koushi Suematsu | 1986-02-04 |
| 4543312 | Magnetic toner comprising magnetic powders having controlled size distribution | Yasuo Mitsuhashi, Hitoshi Uchide, Seiichi Takagi, Masaki Uchiyama, Hisayuki Ochi +2 more | 1985-09-24 |
| 4448870 | Magnetic color toner | Eiichi Imai, Hitoshi Uchide, Masaki Uchiyama, Hisayuki Ochi, Motoo Urawa +2 more | 1984-05-15 |