Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641600 | Magnetic toner and image forming method | Takaaki Kotaki, Masaki Uchiyama, Yasutaka Akashi, Makoto Unno, Yushi Mikuriya | 1997-06-24 |
| 5604072 | Toner for developing electrostatic images, image forming method and process cartridge | Makoto Unno, Takaaki Kotaki, Yushi Mikuriya | 1997-02-18 |
| 5578409 | Toner for developing electrostatic image, one component-type developer and two-component type developer | Takaaki Kotaki, Masaaki Taya, Makoto Unno, Yushi Mikuriya | 1996-11-26 |