Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600430 | Vehicle wireless data communication system | Kazuhiro Ido | 2003-07-29 |
| 5105436 | Spread spectrum receiver | Masaharu Mori, Masahiro Hamatsu | 1992-04-14 |
| 5048052 | Spread spectrum communication device | Masahiro Hamatsu, Masaharu Mori | 1991-09-10 |
| 5033063 | Surface-acoustic-wave device | Takeshi Okamoto | 1991-07-16 |
| 4841470 | Surface acoustic wave device for differential phase shift keying convolving | Takeshi Okamoto, Teruo Niitsuma | 1989-06-20 |
| 4757226 | Surface acoustic wave convolver | Syuichi Mitsutsuka | 1988-07-12 |
| 4745378 | Surface acoustic wave device | Teruo Niitsuma, Takeshi Okamoto | 1988-05-17 |
| 4625184 | Surface acoustic wave device with impedance matching network formed thereon | Teruo Niitsuma, Takeshi Okamoto | 1986-11-25 |
| 4602183 | Surface acoustic wave device with a 3-phase unidirectional transducer | Takeshi Okamoto, Teruo Niitsuma | 1986-07-22 |
| 4599532 | Surface acoustic wave device with anti-reflection electrode structure | Takeshi Okamoto | 1986-07-08 |
| 4567393 | Surface acoustic wave device having AlN and ZnO layers on a Si substrate | Ryuichi Asai, Takeshi Okamoto | 1986-01-28 |
| 4567392 | Sezawa surface-acoustic-wave device using ZnO(0001)/SiO.sub.2 / Si(100)(011) | Ryuichi Asai, Takeshi Okamoto | 1986-01-28 |
| 4562371 | Rayleigh surface-acoustic-wave device using ZnO(0001)/SiO.sub.2 /Si(111) [11] | Ryuichi Asai, Takeshi Okamato | 1985-12-31 |
| 4543533 | Parametric amplifier | Takeshi Okamoto | 1985-09-24 |
| 4531107 | Acoustic surface wave device | Takeshi Okamoto, Teruo Niitsuma | 1985-07-23 |
| 4529995 | Variable capacitance device | Takamasa Sakai | 1985-07-16 |
| 4521711 | Unidirectional transducer for a surface-acoustic-wave device and a method of making same | Takeshi Okamoto | 1985-06-04 |
| 4491811 | Surface acoustic wave device | Teruo Niitsuma, Takeshi Okamoto | 1985-01-01 |
| 4480209 | Surface acoustic wave device having a specified crystalline orientation | Takeshi Okamoto, Ryuichi Asai | 1984-10-30 |
| 4473767 | Surface acoustic wave convolver with depletion layer control | Takamasa Sakai, Takeshi Okamoto | 1984-09-25 |
| 4471255 | Surface acoustic wave parametric device | Nobuo Mikoshiba | 1984-09-11 |
| 4456847 | Surface acoustic wave device | Takeshi Okamoto, Teruo Niitsuma | 1984-06-26 |
| 4449107 | Surface elastic wave element | Ryuichi Asai, Takeshi Okamoto | 1984-05-15 |
| 4412906 | Sputtering apparatus | Yasuhiko Sato, Takamasa Sakai | 1983-11-01 |
| 4403202 | Surface acoustic wave device and method for producing the same | — | 1983-09-06 |