Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604176 | Heat-sensitive recording material | Yoshihiro Shimizu, Masato Kawai, Kohei Michikawa, Takehiro Minami | 1997-02-18 |
| 5397594 | Process for producing heat-sensitive recording material | Kyoko Koyabu | 1995-03-14 |
| 5171730 | Heat-sensitive recording paper | Masaaki Matsuoka | 1992-12-15 |
| 5001104 | Heat-sensitive recording material | Masaaki Matsuoka, Satoshi Fukui, Kyoko Koyabu, Tatsuya Murata | 1991-03-19 |
| 4834797 | Fat-desensitizing composition for litho printing plates comprising phytic acid, polyethylene glycol and a glycol compound | Kunitaka Toyofuku, Kohei Michikawa | 1989-05-30 |