Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667959 | Silver halide photographic material and hydroxamic acid based compound used therefor | Hiroo Takizawa, Junichiro Hosokawa, Yoshio Ishii, Keiji Mihayashi, Masakazu Morigaki | 1997-09-16 |
| 5665529 | Color diffusion transfer photographic material | Atsuhiro Ohkawa, Masaaki Tsukase, Yasuhiro Ishiwata, Hideaki Naruse | 1997-09-09 |