Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800135 | ZnO/sapphire substrate and method for manufacturing the same | Jun Koike | 2004-10-05 |
| 6731046 | Surface acoustic wave element and manufacturing method of the same | Hiroki Watanabe | 2004-05-04 |
| 5770985 | Surface acoustic wave filter | Tadamasa Ushiroku | 1998-06-23 |
| 5694096 | Surface acoustic wave filter | Tadamasa Ushiroku | 1997-12-02 |
| 5569548 | Zinc oxide piezoelectric crystal film on sapphire plane | Jun Koike | 1996-10-29 |
| 5568002 | IIDT type surface acoustic wave device | Takaharu Kawakatsu, Yutaka Tada | 1996-10-22 |
| 5532537 | Zinc oxide piezoelectric crystal film on sapphire plane | Jun Koike | 1996-07-02 |
| 5432397 | Zinc oxide piezoelectric crystal film | Jun Koike | 1995-07-11 |
| 5162690 | Surface acoustic wave device | Atsushi Sakurai, Koji Kimura | 1992-11-10 |
| 5152864 | Method of manufacturing surface acoustic wave device | Atsushi Sakurai, Koji Kimura | 1992-10-06 |
| 5061870 | Surface acoustic wave device | Atsushi Sakurai, Koji Kimura | 1991-10-29 |
| 4752709 | Surface acoustic wave device | Satoru Fujishima | 1988-06-21 |
| 4571519 | Sezawa surface acoustic wave device using a piezoelectric layer over a nitride layer on a substrate | Akira Kawabata, Tadashi Shiosaki, Fumio Takeda, Satoru Fujishima | 1986-02-18 |
| 4354129 | Absorber for piezoelectric surface acoustic wave device | — | 1982-10-12 |
| 4297660 | Electric circuit using surface acoustic wave device | Seiichi Arai | 1981-10-27 |
| 4295108 | Filter circuit employing surface acoustic wave device | — | 1981-10-13 |