Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5493698 | Radio apparatus for simulataneously transmitting and receiving signals using a simple frequency | Osamu Suzuki, Mitsuo Shiraishi, Sakari Ohira, Fujio Sumi, Kenichi Suzuki | 1996-02-20 |
| 5355363 | Voice transmission method and apparatus in duplex radio system | Katsumi Takahashi, Takashi Kurokawa, Nobuo Sekiguchi, Sakari Ohira, Kiyoyuki Isawa +2 more | 1994-10-11 |
| 4556989 | Radio system | Hironao Matsuoka | 1985-12-03 |
| 4359770 | Bit buffer system | — | 1982-11-16 |