Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882218 | Thermal transfer recording medium | Takao Abe | 1989-11-21 |
| 4840848 | Thermal transfer recording medium | Takao Abe | 1989-06-20 |
| 4840882 | Heat developable color light-sensitive material | Masaru Iwagaki, Takashi Sasaki, Tawara Kumamura, Fumio Ishii | 1989-06-20 |
| 4828922 | Heat-sensitive transfer recording medium | Yoshihiro Inaba, Takao Abe, Tatsuichi Maehashi | 1989-05-09 |