Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176599 | Surface acoustic wave device and method of producing the same | Osamu Kawachi | 2007-02-13 |
| 6484576 | Tuning-fork vibratory gyro | Masanori Yachi, Yoshio Satoh, Masaaki Ono, Sumio Yamada, Hiroshi Ishikawa | 2002-11-26 |
| 6271739 | Surface-acoustic-wave device having an improved pass-band characteristic and an improved degree of freedom for setting input and output impedances | Masanori Ueda, Gou Endoh, Osamu Kawachi | 2001-08-07 |
| 6253613 | Tuning fork vibratory gyro utilizing a piezoelectric transversal effect | Masanori Yachi, Yoshio Satoh, Masaaki Ono, Sumio Yamada, Hiroshi Ishikawa | 2001-07-03 |
| 6115592 | Filter device and dual-band radio system in which the filter device is used | Masanori Ueda, Osamu Ikata, Hideki Ohmori, Kazushi Hashimoto | 2000-09-05 |
| 6114926 | Surface-acoustic-wave device having an improved pass-band characteristic and an improved degree of freedom for setting input and output impedances | Masanori Ueda, Gou Endoh, Osamu Kawachi | 2000-09-05 |
| 6111481 | Surface-acoustic-wave three interdigital electrodes with different numbers of finger pairs | Masanori Ueda, Gou Endoh, Osamu Kawachi | 2000-08-29 |
| 6037698 | Acoustic surface wave device | Masanori Ueda, Takumi Kooriike | 2000-03-14 |
| 5963114 | Surface-acoustic-wave device having an improved pass-band characteristic and an improved degree of freedom for setting input and output impedances | Masanori Ueda, Gou Endoh, Osamu Kawachi | 1999-10-05 |
| 5874869 | Surface acoustic wave filter device on 40.degree. to 42.degree. rotated Y-X LITAO.sub.3 | Masanori Ueda, Osamu Kawachi, Gou Endoh | 1999-02-23 |
| 4978879 | Acoustic surface wave element | Kiyoshi Satoh, Kazushi Hashimoto | 1990-12-18 |
| 4810965 | Position detecting apparatus using a magnetic sensor and a closed magnetic circuit with non-uniform magnetic flux distribution | Michiko Endo, Yuji Kojima, Noboru Wakatsuki, Akira Hirano, Kazunari Komenou | 1989-03-07 |
| 4757581 | Method for producing a piezoelectric resonator | Sumio Yamada, Yuji Kojima, Hiroshi Hoshino | 1988-07-19 |
| 4583019 | Piezoelectric resonator using 165.degree. Y-cut LiNbO.sub.3 | Sumio Yamada, Noboru Wakatsuki, Yuji Kojima | 1986-04-15 |
| 4468582 | Piezoelectric resonator chip and trimming method for adjusting the frequency thereof | Yuji Kojima, Sumio Yamada, Hiroshi Hoshino, Noboru Wakatsuki | 1984-08-28 |
| 4454444 | LiTaO.sub.3 Piezoelectric resonator | Sumio Yamada, Hiroshi Hoshino, Noboru Wakatsuki | 1984-06-12 |
| 4451805 | Surface acoustic wave filter | Masaaki Ono, Masanobu YANAGISAWA | 1984-05-29 |
| 4426595 | Acoustic surface wave device with improved band-pass characteristics | Kuninori Kawaura, Sumio Yamada, Noboru Wakatsuki, Masaaki Ono, Shigeo Tanji +1 more | 1984-01-17 |