Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310645 | Silver halide photographic material | Akihiko Ikegawa, Masaki Okazaki | 1994-05-10 |
| 5290676 | Silver halide photographic light-sensitive material | Katsurou Nagaoka, Akihiko Ikegawa | 1994-03-01 |