Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4623604 | Triboelectric stabilized toner for developing electrically charged images and a method for the production thereof | Hiroyuki Takagiwa, Kenzi Thuzita, Goichi Yamakawa, Makoto Tomono, Saburo Wakimoto +3 more | 1986-11-18 |
| 4360611 | Fine spherical polymer particles and process for the preparation thereof | Saburo Wakimoto, Yoshihiko Hyosu | 1982-11-23 |
| 4314932 | Fine spherical polymer particles containing inorganic pigment and/or coloring agent and process for the preparation thereof | Saburo Wakimoto, Yoshihiko Hyosu | 1982-02-09 |
| 4269760 | Fine spherical polymer particles containing inorganic pigment and/or coloring agent and process for the preparation thereof | Saburo Wakimoto, Yoshihiko Hyosu | 1981-05-26 |