Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11164559 | Selective sound transmission and active sound transmission control | Hideo Iizuka | 2021-11-02 |
| 11153681 | Acoustic direction sensor | Hideo Iizuka | 2021-10-19 |
| 11114080 | Duct sound absorber | Hideo Iizuka | 2021-09-07 |
| 11043199 | Sparse acoustic absorber | Hideo Iizuka | 2021-06-22 |
| 11004439 | Acoustic absorber | Hideo Iizuka | 2021-05-11 |
| 10978038 | Invisible sound barrier | Hideo Iizuka | 2021-04-13 |
| 10792518 | System and device for improved ultrasound cavitation mapping | Juergen Karl Willmann, Jeremy J. Dahl | 2020-10-06 |