Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7227915 | Receiver and AGC method | Tsuyoshi Saka, Hideaki Furukawa | 2007-06-05 |
| 5554966 | Car-stereo with removable control panel, alarm, and power conservation | Takayuki Iijima, Yoshio Aoyagi, Shigetoshi Kato, Osamu Yoshizawa, Akira Kawahara +1 more | 1996-09-10 |
| 5475516 | Alphanumeric symbol formed by a 3.times.5 matrix with two longitudinally bisected pixels | Osamu Yoshizawa, Yoshio Aoyagi, Tatsuya Fukuda, Akira Kawahara | 1995-12-12 |
| 5359230 | On-vehicle electronic device | Akio Namiki, Yoshio Aoyagi, Shigetoshi Kato, Osamu Yoshizawa, Akira Kawahara +1 more | 1994-10-25 |