Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36725 | Projection-type display device | Tomio Sonehara, Shuji Aruga | 2000-06-06 |
| 5241407 | Projection-type display device | Tomio Sonehara, Shuji Aruga | 1993-08-31 |
| RE33882 | Liquid crystal display device | — | 1992-04-14 |
| 5075798 | Projection-type display device | Tomio Sonehara, Shuji Aruga | 1991-12-24 |
| 5073013 | Projection-type display device | Tomio Sonehara, Shuji Aruga | 1991-12-17 |
| 5053765 | Light guide type display apparatus | Tomio Sonehara, Jun Sugiyama | 1991-10-01 |
| 4899141 | Matrix panel with an active driving system | Toshiyuki Misawa, Yoshio Nakazawa | 1990-02-06 |
| 4862237 | Solid state image sensor | — | 1989-08-29 |
| 4716403 | Liquid crystal display device | — | 1987-12-29 |
| 4653862 | Liquid crystal display device having color filters sized to prevent light leakage between pixels | — | 1987-03-31 |
| 4604617 | Driving system for a matrix display panel | — | 1986-08-05 |
| 4600274 | Liquid crystal display device having color filter triads | — | 1986-07-15 |
| 4591848 | Matrix panel with an active driving system | Toshiyuki Misawa, Yoshio Nakazawa | 1986-05-27 |
| 4582395 | Active matrix assembly for a liquid crystal display device including an insulated-gate-transistor | — | 1986-04-15 |
| 4394586 | Dynamic divider circuit | — | 1983-07-19 |
| 4272840 | Semiconductor integrated circuit for a timepiece | Tatsushi Asakawa | 1981-06-09 |
| 4258310 | Selectively adjustable voltage detection integrated circuit | Tatsushi Asakawa | 1981-03-24 |
| 4251739 | IC Input circuitry | — | 1981-02-17 |
| 4242679 | Liquid crystal display mechanism | Yoshio Yamazaki, Tatsushi Asakawa, Yasunori Nakazaki | 1980-12-30 |