Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5214141 | Azomethine compound and photographic dye comprising the azomethine compound | Naoki Saito, Takayoshi Kamio, Mitsugu Tanaka, Seiji Ichijima | 1993-05-25 |
| 5206379 | .alpha.-acylmethoxycarbonylbenzotriazoles | Seiji Ichijima, Keiji Mihayashi | 1993-04-27 |
| 5194369 | Silver halide color photographic material | Keiji Mihayashi, Seiji Ichijima, Toshio Kawagishi, Naoki Saito | 1993-03-16 |