Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688630 | Silver halide photographic material | Hiroshi Takeuchi, Takashi Hoshimiya, Toshihide Ezoe, Shigeo Hirano, Minoru Sakai | 1997-11-18 |
| 5667936 | Silver halide photographic material | Hiroshi Takeuchi, Takashi Hoshimiya, Toshiaki Kubo, Shigeo Hirano | 1997-09-16 |