Issued Patents All Time
Showing 76–94 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4625184 | Surface acoustic wave device with impedance matching network formed thereon | Teruo Niitsuma, Shoichi Minagawa | 1986-11-25 |
| 4602183 | Surface acoustic wave device with a 3-phase unidirectional transducer | Shoichi Minagawa, Teruo Niitsuma | 1986-07-22 |
| 4599532 | Surface acoustic wave device with anti-reflection electrode structure | Shoichi Minagawa | 1986-07-08 |
| 4567392 | Sezawa surface-acoustic-wave device using ZnO(0001)/SiO.sub.2 / Si(100)(011) | Ryuichi Asai, Shoichi Minagawa | 1986-01-28 |
| 4567393 | Surface acoustic wave device having AlN and ZnO layers on a Si substrate | Ryuichi Asai, Shoichi Minagawa | 1986-01-28 |
| 4543533 | Parametric amplifier | Shoichi Minagawa | 1985-09-24 |
| 4531107 | Acoustic surface wave device | Shoichi Minagawa, Teruo Niitsuma | 1985-07-23 |
| 4521711 | Unidirectional transducer for a surface-acoustic-wave device and a method of making same | Shoichi Minagawa | 1985-06-04 |
| 4491811 | Surface acoustic wave device | Teruo Niitsuma, Shoichi Minagawa | 1985-01-01 |
| 4480209 | Surface acoustic wave device having a specified crystalline orientation | Ryuichi Asai, Shoichi Minagawa | 1984-10-30 |
| 4473767 | Surface acoustic wave convolver with depletion layer control | Shoichi Minagawa, Takamasa Sakai | 1984-09-25 |
| 4456847 | Surface acoustic wave device | Shoichi Minagawa, Teruo Niitsuma | 1984-06-26 |
| 4449107 | Surface elastic wave element | Ryuichi Asai, Shoichi Minagawa | 1984-05-15 |
| 4398114 | Surface-acoustic-wave parametric device | Shoichi Minagawa | 1983-08-09 |
| 4365216 | Surface-acoustic-wave device | Shoichi Minagawa, Takamasa Sakai | 1982-12-21 |
| 4357553 | Surface-acoustic-wave device | Shoichi Minagawa, Takamasa Sakai, Morihiro Niimi | 1982-11-02 |
| 4348650 | Surface-acoustic-wave parametric device | Shoichi Minagawa | 1982-09-07 |
| 4334167 | Elastic surface wave device | Shoichi Minagawa | 1982-06-08 |
| 4254388 | Frequency selector apparatus | Nobuo Mikoshiba, Shoichi Minagawa | 1981-03-03 |