Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5936488 | Surface acoustic wave filter having input and output transducers with different aperture lengths | Kazuo Eda, Shunichi Seki, Keiji Onishi | 1999-08-10 |
| 5920142 | Electronic part and a method of production thereof | Keiji Onishi, Hideki Iwaki, Shun-ichi Seki, Tsukasa Shiraishi, Yoshihiro Bessho +2 more | 1999-07-06 |
| 5894251 | High frequency filter having saw and dielectric filters with different frequency temperature characteristic signs | Kazuo Eda, Shun-ichi Seki, Keiji Onishi, Toru Yamada | 1999-04-13 |
| 5892418 | Balanced type surface acoustic wave device | Keiji Onishi, Kazuo Eda, Shunichi Seki | 1999-04-06 |
| 5847626 | Balanced-type surface acoustic wave lattice filter | Kazuo Eda, Shun-ichi Seki, Keiji Onishi | 1998-12-08 |
| 5821665 | Surface acoustic wave device and method of manufacture | Keiji Onishi, Shun-ichi Seki, Kazuo Eda | 1998-10-13 |
| 5747857 | Electronic components having high-frequency elements and methods of manufacture therefor | Kazuo Eda, Akihiro Kanaboshi, Tetsuyoshi Ogura | 1998-05-05 |
| 5729186 | Resonator ladder surface acoustic wave filter suppressing spurious signals | Shun-ichi Seki, Kazuo Eda, Keiji Onishi, Hiroki Sato, Osamu Kawasaki | 1998-03-17 |
| 5721519 | Balanced type surface acoustic wave device | Keiji Onishi, Kazuo Eda, Shunichi Seki | 1998-02-24 |
| 5699027 | Surface acoustic wave devices having a guard layer | Yasunobu Tsuji, Kazuo Eda, Katsuyuki Miyauchi, Keiji Onishi | 1997-12-16 |
| 5666706 | Method of manufacturing a piezoelectric acoustic wave device | Yoshihiro Tomita, Akihiro Kanaboshi, Kazuo Eda | 1997-09-16 |
| 5668057 | Methods of manufacture for electronic components having high-frequency elements | Kazuo Eda, Akihiro Kanaboshi, Tetsuyoshi Ogura | 1997-09-16 |
| 5647932 | Method of processing a piezoelectric device | Kazuo Eda, Akihiro Kanaboshi, Tetsuyoshi Ogura, Yoshihiro Tomita | 1997-07-15 |
| 5592135 | Surface acoustic wave filter with different filter portions satisfying complex conjugate relationship of impedances | Kazuo Eda, Keiji Onishi, Shun-ichi Seki | 1997-01-07 |
| 5589806 | Surface acoustic wave filter having parallel/serial resonator connection based on transmitting and receiving frequencies | Kazuo Eda, Shun-ichi Seki, Keiji Onishi | 1996-12-31 |
| 5506552 | Surface acoustic wave filter with multiple ground terminals | Shun-ichi Seki, Kazuo Eda, Keiji Onishi | 1996-04-09 |
| 5485052 | Three electrode type saw longitudinal coupling filter | Shunichi Seki, Kazuo Eda, Keiji Onishi | 1996-01-16 |
| 5459368 | Surface acoustic wave device mounted module | Keiji Onishi, Shunichi Seki, Kazuo Eda | 1995-10-17 |
| 5453652 | Surface acoustic wave device with interdigital transducers formed on a holding substrate thereof and a method of producing the same | Kazuo Eda, Keiji Onishi, Shun-ichi Seki | 1995-09-26 |
| 5448126 | Surface acoustic wave-semiconductor composite device | Kazuo Eda | 1995-09-05 |
| 5446330 | Surface acoustic wave device having a lamination structure | Kazuo Eda, Keiji Onishi, Shun-ichi Seki | 1995-08-29 |
| 5387888 | High frequency ceramic multi-layer substrate | Kazuo Eda, Katsuyuki Miyauchi | 1995-02-07 |
| 5075645 | Matching circuit for high frequency transistor | Kazuo Eda, Tetsuji Miwa | 1991-12-24 |
| 4930044 | Thin-film capacitor and method of manufacturing a hybrid microwave integrated circuit | Kazuo Eda, Tetsuji Miwa | 1990-05-29 |