Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4991163 | Optical information medium with sample mark area and multiple transcription prevention | Nobuhiro Tokushuku, Hitoshi Yanagihara, Masaki Yoshii, Naotake Ebinuma | 1991-02-05 |
| 4510530 | Signal reproducing circuit for a video tape recorder | Kuniaki Miura, Akira Shibata, Jun Yamada | 1985-04-09 |
| 4427515 | Surface acoustic wave device and method for manufacturing the same | Akitsuna Yuhara, Shinya Iida, Hideo Abe, Kiyoharu Kishimoto | 1984-01-24 |
| 4422000 | Unidirectional surface acoustic wave device with meandering electrode | Jun Yamada | 1983-12-20 |
| 4396851 | Surface acoustic wave device | Kiyoharu Kishimoto, Hitoshi Yanagihara | 1983-08-02 |
| 4390807 | Surface acoustic wave device | Kiyoharu Kishimoto, Akitsuna Yuhara | 1983-06-28 |
| 4296391 | Surface-acoustic-wave filter for channel selection system of television receiver | Akitsuna Yuhara | 1981-10-20 |
| 4223285 | Elastic surface wave filter | Jun Yamada, Yoshihiko Noro | 1980-09-16 |
| 4212029 | Elastic surface wave filter for color television receiver | Takeshi Murakami | 1980-07-08 |
| 4206380 | Piezoelectric surface acoustic wave device with suppression of reflected signals | Kentaro Hanma | 1980-06-03 |
| 4201964 | Elastic surface wave device | Yoshihiko Noro, Jun Yamada, Hitoshi Yanagihara, Michiyori Miura | 1980-05-06 |