Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897581 | Horizontal deflection circuit | Takeo Yamada, Miyuki Ikeda | 1990-01-30 |
| 4895429 | Rear projection apparatus | Yoshiaki Iwahara, Yuzo Tamura | 1990-01-23 |
| 4814671 | Convergence circuit | Takeo Yamada, Toshiyuki Kimoto | 1989-03-21 |
| 4731838 | AGC circuit used in a CATV receiver | Yoshio Amemiya | 1988-03-15 |
| 4729031 | Coupling system for image projection | Shobu Saito, Isao Yoshizaki, Yoshiaki Iwahara, Osamu Shuugizono | 1988-03-01 |
| 4720744 | Television system | Kazuro Washi | 1988-01-19 |
| 4609945 | Video projection apparatus with temperature compensation device | — | 1986-09-02 |
| 4576442 | Image projection apparatus | — | 1986-03-18 |
| 4536056 | Rear projection apparatus | — | 1985-08-20 |
| 4531812 | Rear projection screen | — | 1985-07-30 |
| 4432010 | Rear projection apparatus | — | 1984-02-14 |
| 4416002 | Method and apparatus for high-density recording and reproduction | Tooru Fujishima, Jun Matsumoto | 1983-11-15 |
| 4412253 | Automatic noise removal device for a picture signal | — | 1983-10-25 |
| 4368354 | Discriminator apparatus for detecting the presence of a signal by using a differential beat signal having an inaudible frequency | Makoto Furihata, Noboru Sakata | 1983-01-11 |
| 4322746 | Crosstalk attenuator system | — | 1982-03-30 |