Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345202 | Dielectric filter comprising a plurality of coaxial resonators of different lengths all having the same resonant frequency | Yasumi Kobayashi, Kousuke Takeuchi, Kachio Ikeda, Kenichi Shibata | 1994-09-06 |
| 5319342 | Flat transformer | — | 1994-06-07 |
| 5309422 | Light separation element and light receiving optical device using same | Hiroshi Shiozaki | 1994-05-03 |
| 5293141 | Dielectric filter having external connection terminals on dielectric substrate and antenna duplexer using the same | Yasumi Kobayashi, Kousuke Takeuchi, Kachio Ikeda, Kenichi Shibata | 1994-03-08 |