Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371800 | Speech detection circuit | Masahiro Aota, Seiji Komatsuda, Toshihiro Ibuka, Yoshihiro Matsumoto | 1994-12-06 |
| 5339460 | Amplifier provided at output stage of intermediate frequency amplifying circuit of mobile communication system | Minoru Sakata | 1994-08-16 |