Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9438187 | Amplifying device, transmitting device | Keiichi Yamaguchi | 2016-09-06 |
| 9306731 | Signal processing apparatus | Makoto Tanahashi, Yoshimasa Egashira, Keiichi Yamaguchi | 2016-04-05 |