Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6546266 | Filter device having independently adjustable filtering characteristics and method of adjusting central frequency of the same | Nobuyoshi Sakakibara | 2003-04-08 |
| 5602508 | Grounded-base transistor amplifier | Takefumi Endou, Kazuo Watanabe | 1997-02-11 |
| 5530928 | Balanced dual mode mixer apparatus | Charles E. Wheatley, III, Tohru Izumiyama, Tsuyoshi Kitamura | 1996-06-25 |
| 5521554 | High-frequency band amplifier system | — | 1996-05-28 |
| 5483696 | Method and apparatus for using a balanced mixer as a switch | Charles E. Wheatley, III, Tohru Izumiyama, Tsuyoshi Kitamura | 1996-01-09 |
| 5471654 | Transmitting/receiving unit having automatic gain control system with temperature compensation | Kazuharu Aoki | 1995-11-28 |
| 5442322 | Power amplifier bias control circuit and method | Richard K. Kornfeld, Ana L. Weiland | 1995-08-15 |
| 5339046 | Temperature compensated variable gain amplifier | Richard K. Kornfeld, Ana L. Weiland | 1994-08-16 |
| 4633520 | Prescaler input circuit | — | 1986-12-30 |