Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376522 | Silver halide photographic material | Hideki Takiguchi, Tomoyuki Nakayama, Nobuaki Kagawa | 1994-12-27 |
| 5071738 | Silver halide photographic material | Noboru Mizukura, Shuichi Sugita | 1991-12-10 |