Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4310693 | o-Aminophenol compounds | Koichi Koyama, Yoshio Inagaki | 1982-01-12 |
| 4268624 | Photographic light-sensitive sheet for the color diffusion transfer process | Tooru Harada, Yoshinobu Yoshida | 1981-05-19 |
| 4268625 | Photographic light-sensitive element for the color diffusion transfer process | Hidetoshi Hayashi, Shigetoshi Ono, Yoshinobu Yoshida, Tooru Harada | 1981-05-19 |
| 4255509 | Photographic light-sensitive sheet for the color diffusion transfer process | Shigetoshi Ono, Tooru Harada, Yoshinobu Yoshida | 1981-03-10 |
| 4246414 | 2-Alkoxyalkoxy-5-nitrobenzenesulfonic acid and salt thereof | Shigetoshi Ono, Hidetoshi Hayashi | 1981-01-20 |
| 4245028 | Photographic light-sensitive sheet for the color diffusion transfer process | Tooru Harada, Katsusuke Endo | 1981-01-13 |
| 4233237 | 2-Alkoxyalkoxy-5-aminobenzenesulfonic acid | Tooru Harada | 1980-11-11 |