Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11002231 | Intake device for internal combustion engine | Tadashi IBARAGI, Ako Itoh, Ryuji Koike, Toshiyuki Kondo | 2021-05-11 |
| 8379412 | Converter and converter control method | — | 2013-02-19 |
| 6791849 | Synchronous rectifying circuit for flyback converter | — | 2004-09-14 |
| 5895964 | Thermoelectric cooling system | — | 1999-04-20 |
| 4887045 | Sum/differential signal processing circuit | — | 1989-12-12 |
| 4700389 | Stereo sound field enlarging circuit | — | 1987-10-13 |
| 4599572 | Voltage adder circuit | — | 1986-07-08 |
| 4595883 | Emitter-follower type single-ended push-pull circuit | — | 1986-06-17 |
| 4558288 | Emitter-follower type SEPP circuit | — | 1985-12-10 |
| 4521740 | Bias current compensated amplifier | — | 1985-06-04 |
| 4520323 | Emitter follower type SEPP circuit | — | 1985-05-28 |
| 4500849 | Low noise power amplifier circuit | — | 1985-02-19 |
| 4439745 | Amplifier circuit | — | 1984-03-27 |
| 4258331 | Differential amplifier | — | 1981-03-24 |