Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7022554 | Method for fabricating circuit module | Kazuo Kasue, Satoru Hachinohe | 2006-04-04 |
| 6911882 | High-frequency module, transmitter-receiver, and method of adjusting characteristic of the high-frequency module | Kazumasa Haruta | 2005-06-28 |
| 6285269 | High-frequency semiconductor device having microwave transmission line being formed by a gate electrode source electrode and a dielectric layer in between | Yohei Ishikawa, Koichi Sakamoto, Sadao Yamashita | 2001-09-04 |
| 6172572 | Dielectric resonator, dielectric filter, dielectric duplexer, and oscillator | Koichi Sakamoto, Sadao Yamashita | 2001-01-09 |
| 6169301 | Planar dielectric integrated circuit | Yohei Ishikawa, Koichi Sakamoto, Sadao Yamashita | 2001-01-02 |
| 6163688 | Oscillator and communications device | Yasutaka Fujii, Koichi Sakamoto, Sadao Yamashita, Kenichi Iio | 2000-12-19 |
| 5872485 | Dielectric line waveguide which forms electronic circuits | Yohei Ishikawa, Koichi Sakamoto, Sadao Yamashita | 1999-02-16 |