Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879195 | Laser-sensitive electrophotographic material | Hiroaki Sato, Kohei Michikawa | 1989-11-07 |
| 4834797 | Fat-desensitizing composition for litho printing plates comprising phytic acid, polyethylene glycol and a glycol compound | Yasuyoshi Morita, Kohei Michikawa | 1989-05-30 |