Issued Patents 1997
Showing 1–2 of 2 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 |