Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10225650 | Directivity control system, directivity control device, abnormal sound detection system provided with either thereof and directivity control method | Hideki Tatematsu, Shugo Yamamiya, Takatsugu Ito, Xia Yang, Hiroyuki Maruyama +2 more | 2019-03-05 |