Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612280 | Thermosensitive recording material | Yoshiyuki Takahashi, Ayako Shirai, Takako Segawa | 1997-03-18 |
| 5446010 | Thermosensitive recording material | Akiko Iwasaki | 1995-08-29 |
| 5444036 | Thermosensitive recording material | Akiko Iwasaki, Kyoko Uchida, Masatoshi Fujino | 1995-08-22 |
| 5384303 | Thermosensitive recording material | Masaki Nishimura | 1995-01-24 |
| 5314859 | Thermosensitive recording material | Yoshiyuki Takahashi, Makoto Nishioka, Kyoko Uchida | 1994-05-24 |
| 5312796 | Thermosensitive recording material | Masaki Nishimura | 1994-05-17 |
| 5292711 | Thermosensitive recording material | Masaki Nishimura, Yoshiyuki Takahashi | 1994-03-08 |
| 5283227 | Thermosensitive recording material | Ayako Shirai, Yoshiyuki Takahashi | 1994-02-01 |
| 5256618 | Thermosensitive recording material | Yoshiyuki Takahashi, Akiko Iwasaki | 1993-10-26 |
| 5246906 | Thermosensitive recording material | Yoshiyuki Takahashi, Akiko Iwasaki | 1993-09-21 |
| 5008236 | Heat-sensitive recording material | Yoshiyuki Takahashi, Akiko Iwasaki | 1991-04-16 |
| 4956332 | Heat-sensitive recording material | Yoshiyuki Takahashi, Akiko Iwasaki | 1990-09-11 |
| 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 |
| 4339524 | Photosensitive resinous materials containing stilbazolium groups | Kunihiro Ichimura, Osamu Takeuchi, Hideo Kusama, Kazuo Yamazaki, Akira Saka +1 more | 1982-07-13 |