Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12028674 | On-ear headphones with staggered perforations | Jack Z. Zhao, Bill Zeng, Frank Zhang | 2024-07-02 |
| 11689857 | Headband and a method for producing the headband | Frank Lin, Seven Huang, Alice Lin, Bill Zeng | 2023-06-27 |
| 11509990 | Headband for a headset and a method for assembly of a headband for a headset | Frank Lin, Seven Huang, Bill Zeng, Jack Z. Zhao | 2022-11-22 |