Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4968574 | Toner for electrophotography | Hideaki Morita, Takahira Kasuya, Goichi Yamakawa, Makoto Tomono, Minoru Kohara | 1990-11-06 |
| 4486524 | Toner for developing electrostatic latent images comprising a resin having specified molecular weight parameters | Yasuyuki Fujisaki, Minoru Takahashi, Hiroshi Ogawara, Ryubun Seimaya, Yutaka Yamada +2 more | 1984-12-04 |
| 4386147 | Toner for developing electrostatic latent images | Ryubun Seimiya, Yutaka Yamada, Makoto Tomono, Noriyoshi Tarumi, Yasuyuki Fujisaki +2 more | 1983-05-31 |