Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641600 | Magnetic toner and image forming method | Takaaki Kotaki, Yasutaka Akashi, Makoto Unno, Yushi Mikuriya, Tadashi Dojyo | 1997-06-24 |
| 5629122 | Toner for developing electrostatic image and image forming method | Hirohide Tanikawa, Shinji Doi | 1997-05-13 |