Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11133779 | Crystal oscillator | — | 2021-09-28 |
| 7701241 | Circuit for protecting DUT, method for protecting DUT, testing apparatus and testing method | Yasunori Kumagai, Dai Shinozaki, Shigekazu Komatsu | 2010-04-20 |
| 7649427 | Crystal oscillator | Fumio Asamura, Takeo Oita | 2010-01-19 |
| 7586317 | Inspection apparatus, probe card and inspection method | Shigekazu Komatsu, Dai Shinozaki | 2009-09-08 |
| 7538628 | Harmonic oscillator using transmission line resonator | Masayoshi Aikawa, Takayuki Tanaka, Fumio Asamura, Kenji Kawahata | 2009-05-26 |
| 7479856 | High-frequency filter using coplanar line resonator | Fumio Asamura, Kenji Kawahata | 2009-01-20 |
| 7471165 | High-frequency balun | Fumio Asamura, Kenji Kawahata | 2008-12-30 |