Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665530 | Silver halide emulsion and photographic material using the same | Takekimi Shiozawa, Seiji Yamashita | 1997-09-09 |
| 5641620 | Silver halide emulsion, process for preparing the same, and silver halide photographic materials containing the same | Seiji Yamashita, Mitsuo Saitou | 1997-06-24 |
| 5593821 | Silver halide emulsion and photographic material having the same | — | 1997-01-14 |