Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853323 | Silver halide emulsion | Shuzo Suga, Nobuaki Miyasaka | 1989-08-01 |
| 4818669 | Silver halide emulsion | Shuzo Suga | 1989-04-04 |
| 4818675 | Silver halide photographic light sensitive material with improved silver blackness of picture image | Nobuaki Miyasaka, Minoru Sakai, Shigeru Ohno, Yasuo Mukunoki | 1989-04-04 |
| 4806461 | Silver halide emulsion and photographic light-sensitive material using tabular grains having ten or more dislocations per grain | Munehisa Fujita, Shingo Ishimaru, Hiroshi Ayato, Shigeharu Urabe | 1989-02-21 |