Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12335694 | Single-end-to-differential microphone circuit and electronic equipment | Dong Han | 2025-06-17 |
| 12294840 | Microphone amplifying circuit design method and microphone amplifying circuit | Dong Han | 2025-05-06 |
| 12289082 | Single-end-to-differential microphone circuit | Dong Han | 2025-04-29 |