Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363384 | Audio signal demodulation circuit | Toshihiro Miyoshi, Naoji Okumura, Hisashi Arita, Kenji Ishikawa, Yuichi Ninomiya +2 more | 1994-11-08 |
| 5163053 | Audio signal demodulation circuit | Naoji Okumura, Toshihiro Miyoshi, Yuichi Ninomiya, Yoshimichi Ohtsuka, Tadashi Kawashima | 1992-11-10 |
| 5121212 | Audio signal demodulating circuit with reduced power consumption | Naoji Okumura, Hisashi Arita, Yuichi Ninomiya, Yoshimichi Ohtsuka, Tadashi Kawashima | 1992-06-09 |