Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9236583 | Organic electroluminescent element and planar light-emitting unit | Masakazu Tonishi | 2016-01-12 |
| 6265144 | Silver halide emulsion and photographic material by use thereof | Shigeo Tanaka | 2001-07-24 |
| 5508159 | Silver halide photographic light-sensitive material | Yukio Ohya | 1996-04-16 |
| 5405739 | Silver halide photographic light-sensitive material | Yukio Ohya | 1995-04-11 |
| 5246828 | Light-sensitive silver halide photographic material | Yukio Ohya | 1993-09-21 |