Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9747454 | Directivity control system and sound output control method | Shinichi Shigenaga, Hirotaka SAWA, Kazunori Hayashi, Toshimichi Tokuda, Shintaro Yoshikuni | 2017-08-29 |
| 9549244 | Directivity control system, directivity control method, sound collection system and sound collection control method | Shinichi Shigenaga, Kazunori Hayashi, Toshimichi Tokuda, Hirotaka SAWA, Shuichi Watanabe | 2017-01-17 |