Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10187714 | Sound pickup device and sound processing device | Hideaki Takehisa, Masamichi Yano, Keizo Harada | 2019-01-22 |
| 10171901 | Sound pickup device and sound processing device | Hideaki Takehisa, Masamichi Yano, Keizo Harada | 2019-01-01 |