Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5436121 | Silver halide color photographic light-sensitive material | Yoichi Suga, Takanori Hioki | 1995-07-25 |
| 5391475 | Silver halide color photographic photosensitive materials | Fumitaka Ueda, Akihiko Ikegawa | 1995-02-21 |
| 5389505 | Silver halide photographic material | — | 1995-02-14 |
| 5384234 | Silver halide color photographic photosensitive materials | Fumitaka Ueda, Akihiko Ikegawa | 1995-01-24 |
| 5272044 | Silver halide photographic material and processing solution and process for the processing thereof | Akihiko Ikegawa, Masaki Okazaki, Minoru Yamada, Nobuhiko Uchino | 1993-12-21 |
| 5108888 | Dye sensitized silver halide photographic material | Akihiko Ikegawa, Masaki Okazaki | 1992-04-28 |
| 5097042 | Water-soluble benzimidazolotriazole derivative or salt thereof | Akihiko Ikegawa | 1992-03-17 |
| 4906553 | Processing process for silver halide black and white photographic materials | Akihiko Ikegawa, Minoru Yamada, Masaki Okazaki | 1990-03-06 |