Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879139 | Method of making a thin film electroluminescence element | Yoshinori Ootsuka, Kinya Atsumi, Tadashi Hattori | 1989-11-07 |
| H674 | Silver halide photographic light-sensitive material capable of | Satoru Nagasaki, Akio Suzuki, Eiji Yoshida, Nobuaki Tsuji | 1989-09-05 |
| 4861702 | Rapidly processable silver halide photographic light-sensitive material and the processing thereof | Akio Suzuki, Eiji Yoshida, Satoru Nagasaki, Nobuaki Tsuji | 1989-08-29 |
| 4847189 | High speed processing silver halide photographic light-sensitive material | Akio Suzuki, Eiji Yoshida, Satoru Nagasaki, Nobuaki Tsuji | 1989-07-11 |
| 4801526 | Silver halide photographic light-sensitive material | Eiji Yoshida, Akio Suzuki, Satoru Nagasaki, Iku Metoki, Haruhiko Sakuma | 1989-01-31 |