Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11139782 | Amplification apparatus and transmission apparatus | Atsushi Yamaoka, Keiichi Yamaguchi | 2021-10-05 |
| 11025211 | Amplification apparatus and transmission apparatus | Atsushi Yamaoka, Keiichi Yamaguchi | 2021-06-01 |