Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806461 | Silver halide emulsion and photographic light-sensitive material using tabular grains having ten or more dislocations per grain | Hideo Ikeda, Shingo Ishimaru, Hiroshi Ayato, Shigeharu Urabe | 1989-02-21 |