Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640882 | Image forming method of negative latent images using silica particles | Yasuo Mitsuhashi, Kazunori Murakawa, Kenji Okado | 1987-02-03 |
| 4626487 | Particulate developer containing inorganic scraper particles and image forming method using the same | Yasuo Mitsuhashi, Kazunori Murakawa, Kenji Okado | 1986-12-02 |
| 4590140 | Toner application method and treated magnetic particles for use therein | Yasuo Mitsuhashi, Masanori Takenouchi, Hatsuo Tajima, Motoo Urawa, Kenji Okado | 1986-05-20 |
| 4568625 | Developer comprising a modified silicone oil and development process for electrophotography | Yasuo Mitsuhashi, Kazunori Murakawa, Masanori Takenouchi, Eiichi Imai, Koushi Suematsu | 1986-02-04 |
| 4565763 | Process for producing toner | Yasuo Mitsuhashi | 1986-01-21 |
| 4565766 | Developing powder | Yasuo Mitsuhashi | 1986-01-21 |
| 4554234 | Toner application method and composition therefor | Eiichi Imai, Masanori Takenouchi, Koshi Suematsu | 1985-11-19 |
| 4543312 | Magnetic toner comprising magnetic powders having controlled size distribution | Kazunori Murakawa, Yasuo Mitsuhashi, Hitoshi Uchide, Seiichi Takagi, Hisayuki Ochi +2 more | 1985-09-24 |
| 4481274 | Developing powder having oinylic, crosslinked binder and olefin polymer | Yasuo Mitsuhashi | 1984-11-06 |
| 4448870 | Magnetic color toner | Eiichi Imai, Hitoshi Uchide, Kazunori Murakawa, Hisayuki Ochi, Motoo Urawa +2 more | 1984-05-15 |
| 4340660 | Toner for development having crosslinked polymers | Masashi Kiuchi, Yoshio Takasu, Hiroshi Fukumoto, Takashi Hino, Yasuo Mitsuhashi | 1982-07-20 |
| 4299900 | Electrostatic image magnetic developing process | Yasuo Mitsuhashi, Masashi Kiuchi, Yoshio Takasu, Hiroshi Fukumoto, Takashi Hino | 1981-11-10 |