Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871658 | Silver halide photographic material that is resistant to fogging during storage | Yutaka Kaneko, Hidetaka Ninomiya, Takashi Kamio, Atsuo Ezaki, Hideo Akamatsu +1 more | 1989-10-03 |
| 4868102 | Direct positive silver halide light-sensitive photographic material | Keiji Ogi, Atsushi Kamitakahara, Nariko Isozaki | 1989-09-19 |
| 4839263 | Method of forming dye image having superior rapid processing performance | Masanobu Miyoshi, Makoto Kajiwara, Kaoru Onodera | 1989-06-13 |