Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310641 | Negative type silver halide photographic material comprising silver halide grains of core-shell structure | Syoji Matsuzaka, Shu Nishiwaki, Yoshihiko Suda, Takashi Kamio, Toshimi Iijima | 1994-05-10 |