Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7139830 | Communication apparatus and congestion regulation control method | Takeshi Sato, Satoru Abe | 2006-11-21 |
| 5815560 | Communication service control apparatus | Sadayo Kasai, Yoshikazu Takeda | 1998-09-29 |
| 4881041 | Pulse width distortion correction circuit | Kazunaga Ida | 1989-11-14 |
| 4539491 | Voltage/current conversion circuit | Akira Nishioka, Hiroyuki Takahori, Hideki Fujimoto | 1985-09-03 |
| 4456886 | Control circuit for voltage controlled variable attenuator | Akira Nishioka, Hideki Fujimoto, Hiroyuki Takahori | 1984-06-26 |
| 4451800 | Input bias adjustment circuit for amplifier | Akira Nishioka | 1984-05-29 |
| 4426626 | Signal switching circuit | — | 1984-01-17 |
| 4274060 | Signal change-over amplifier | — | 1981-06-16 |
| 4254379 | Push-pull amplifier circuit | — | 1981-03-03 |
| 4217556 | Output amplifying circuit | Hideo Ito | 1980-08-12 |
| 4215318 | Push-pull amplifier | — | 1980-07-29 |