Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8547183 | Voltage controlled oscillator | Junichiro Yamakawa, Kazuo Akaike, Mikio Takano, Hiroshi Hoshigami, Kietsu Saito +4 more | 2013-10-01 |
| 8289093 | Voltage controlled oscillator | Toshimasa Tsuda, Tatsunori Onzuka, Hiroshi Hoshigami, Ryouichi Fujiyama | 2012-10-16 |
| 8283989 | Voltage controlled oscillator | Tatsunori Onzuka, Junichiro Yamakawa, Toshimasa Tsuda, Hiroshi Hoshigami | 2012-10-09 |
| 7538628 | Harmonic oscillator using transmission line resonator | Masayoshi Aikawa, Takayuki Tanaka, Fumio Asamura, Katsuaki Sakamoto | 2009-05-26 |
| 7479856 | High-frequency filter using coplanar line resonator | Fumio Asamura, Katsuaki Sakamoto | 2009-01-20 |
| 7471165 | High-frequency balun | Fumio Asamura, Katsuaki Sakamoto | 2008-12-30 |
| 6771137 | High-frequency oscillator | Masayoshi Aikawa, Takayuki Tanaka, Fumio Asamura, Takeo Oita | 2004-08-03 |