Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5476745 | Process for producing toner particles | Tatsuya Nakamura, Takayuki Nagatsuka, Makoto Kanbayashi, Tatsuhiko Chiba | 1995-12-19 |
| 5102761 | Color toner for electrophotography containing a phenolic compound | Takaaki Kohtaki, Yuko Sato, Hiroyuki Kobayashi, Toshiyuki Ugai | 1992-04-07 |
| 4939060 | Magnetic toner for developing electrostatic images | Koichi Tomiyama, Seiichi Takagi, Satoshi Yasuda, Yoshihiko Hyosu | 1990-07-03 |
| 4888264 | Process for preparing toner or capsule toner for use in electrophotography | Toru Matsumoto, Toshiyuki Koshio, Yasuhide Goseki, Hisayuki Ushiyama, Masuo Yamazaki +3 more | 1989-12-19 |
| 4797344 | Encapsulated toner having shell with first vinyl polymer with Mn of 2000-225000 and second vinyl polymer with Mn of 1000-15000 | Toshiaki Nakahara, Hisayuki Ushiyama, Masashi Kiuchi, Masuo Yamazaki, Yasuhide Goseki +1 more | 1989-01-10 |
| 4740443 | Encapsulated electrostatic toner with locally attached non-magnetic inorganic particles | Toshiaki Nakahara, Junichi Kurimoto, Yasuhide Goseki, Toshiyuki Koshio, Hisayuki Ochi +4 more | 1988-04-26 |
| 4626490 | Encapsulated toner | Masuo Yamazaki, Katsutoshi Wakamiya, Toru Matsumoto, Toshiaki Nakahara, Hisayuki Ushiyama | 1986-12-02 |
| 4590142 | Capsule toner | Masuo Yamazaki, Toru Matsumoto, Katsutoshi Wakamiya, Toshiaki Nakahara, Hisayuki Ushiyama | 1986-05-20 |
| 4581312 | Pressure-fixable capsule toner comprising pressure fixable core material and vinyl polymer shell material | Toshiaki Nakahara, Masuo Yamazaki, Katsutoshi Wakamiya, Toru Matsumoto, Hisayuki Ushiyama | 1986-04-08 |
| 4565764 | Microcapsule toner and process of making same | Toshiaki Nakahara, Hisayuki Ushiyama | 1986-01-21 |
| 4533616 | Developer for electrophotography of toner and microencapsulated additive | Tetsuo Hasegawa, Koushi Suematsu | 1985-08-06 |
| 4522907 | Method for developing latent images using resin donor member | Yasuo Mitsuhashi | 1985-06-11 |
| 4497885 | Pressure-fixable microcapsule toner | Hisayuki Ushiyama, Masanori Takenouchi, Toshiaki Nakahara | 1985-02-05 |