Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5734304 | Coaxial dielectric filter having adjacent resonators disposed in opposite directions | Tatsuya Imaizumi | 1998-03-31 |
| 5578975 | Coaxial dielectric filter having adjacent resonators disposed in opposite directions | Tatsuya Imaizumi | 1996-11-26 |
| 5412359 | Coaxial dielectric filter having adjacent resonators disposed in opposite directions | Tatsuya Imaizumi | 1995-05-02 |
| 4901044 | Distributed-constant filter | Masao Igarashi, Isao Akiyama, Kazuhiro Kumagai, Yoshinobu Takeda, Mamoru Yamaki +1 more | 1990-02-13 |
| 4502515 | Dry battery driven liquid pump | Nobushige Kobayashi | 1985-03-05 |