Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9977281 | Liquid crystal display device | Shinichi Morishima, Mitsuyoshi Ichihashi, Akio Tamura | 2018-05-22 |
| 6380996 | Optical compensatory sheet and liquid crystal display | Shigeki Yokoyama, Ken Kawata, Hideyuki Nishikawa, Eiichiro Aminaka, Yoji Ito | 2002-04-30 |
| 5300407 | Silver halide photographic material containing imidazopyrazole type coupler and image forming method using said coupler | Tadahisa Sato | 1994-04-05 |
| 5260181 | Color-forming coupler and a silver halide color photographic material containing the same | Kozo Sato, Yoshio Ishii | 1993-11-09 |