Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5490167 | Duplex voice communication radio transmitter-receiver | Fujio Sumi, Sakari Ohira, Kouichi Ishikawa | 1996-02-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5490167 | Duplex voice communication radio transmitter-receiver | Fujio Sumi, Sakari Ohira, Kouichi Ishikawa | 1996-02-06 |