Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5467216 | Spatial light modulation device | Masanobu Shigeta, Shigeo Shimizu | 1995-11-14 |
| 5444558 | Spatial light modulator with photoconductor of hydrogenated amorphous silicon with 0.1-1.0 ppm boron | Nozomu Ohkouchi, Kazushige Ohtawara, Hiroyuki Natsuhori, Shigeo Shimizu, Toshio Konno +3 more | 1995-08-22 |
| 5200283 | Information recording medium | Atsushi Nakano, Tadayuki Shimada, Shigeo Shimizu | 1993-04-06 |