Issued Patents 2021
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204204 | Acoustic absorber with integrated heat sink | Hideo Iizuka, Ercan Mehmet Dede | 2021-12-21 |
| 11170751 | Active noise control for vehicle with a single open window | Xiaopeng Li, Jae Seung Lee, Danil V. Prokhorov, Hideo Iizuka | 2021-11-09 |
| 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 |