Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7108580 | Method and device for simulation, method and device for polishing, method and device for preparing control parameters or control program, polishing system, recording medium, and method of manufacturing semiconductor device | Yoshijiro Ushio | 2006-09-19 |
| 5136409 | Liquid crystal device having at least two zones having different diffusion characteristics | Masahiro Fushimi | 1992-08-04 |
| 5122888 | Focusing plate having phase grating formed by using liquid crystal | Masahiro Fushimi | 1992-06-16 |
| 4795238 | Liquid crystal focusing screen having different groups of electrodes | Takashi Suzuki | 1989-01-03 |
| 4711547 | Display device | — | 1987-12-08 |
| 4606612 | Optical phase filter using liquid crystal | — | 1986-08-19 |
| 4586802 | Camera capable of special effects photography | Akihiko Nagano | 1986-05-06 |
| 4586029 | Blur detecting device | Shuichi Tamura | 1986-04-29 |
| 4567123 | Diffusing plate | Keiji Ohtaka, Takashi Suzuki, Hidemasa Mizutani | 1986-01-28 |
| 4427265 | Diffusion plate | Takashi Suzuki, Keiji Ohtaka, Hidemasa Mizutani | 1984-01-24 |
| 4421398 | Focussing plate | Takashi Suzuki, Keiji Ohtaka, Hidemasa Mizutani | 1983-12-20 |
| 4229750 | Information output unit | Naoto Kawamura, Nobuyoshi Tanaka, Tetsuro Kuwayama, Kazuya Matsumoto, Takeshi Goshima | 1980-10-21 |