Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665530 | Silver halide emulsion and photographic material using the same | Takayoshi Oyamada, Seiji Yamashita | 1997-09-09 |
| 4853322 | Light-sensitive silver halide emulsion and color photographic materials using the same | Katsumi Makino, Yuichi Ohashi, Hiroshi Takehara, Yoichi Suga | 1989-08-01 |