Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695902 | Toner for developing electrostatic image, image forming method and process-cartridge | Yuichi Mizoh, Tadashi Doujo | 1997-12-09 |
| 5660963 | Toner for developing electrostatic image | Tadashi Doujo, Takaaki Kohtaki, Makoto Unno | 1997-08-26 |
| 5641600 | Magnetic toner and image forming method | Takaaki Kotaki, Masaki Uchiyama, Yasutaka Akashi, Makoto Unno, Tadashi Dojyo | 1997-06-24 |
| 5604072 | Toner for developing electrostatic images, image forming method and process cartridge | Makoto Unno, Takaaki Kotaki, Tadashi Dojyo | 1997-02-18 |