Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5385820 | Silver halide photographic light-sensitive material | Etuzi Tanaka, Akira Tanaka | 1995-01-31 |
| 4910129 | Silver halide photographic light sensitive material | Yoshiya Takahashi, Susumu Baba, Katsuaki Iwaosa, Kunihiro Nakagawa, Seigo Ebato +2 more | 1990-03-20 |
| 4548898 | Photosensitive material for diffusion transfer with antihalation layer containing white and color pigment | Seigo Ebato | 1985-10-22 |