Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11647331 | Circuit device, sound reproduction device, and electronic apparatus | Takao Katayama, Tsutomu Nonaka | 2023-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11647331 | Circuit device, sound reproduction device, and electronic apparatus | Takao Katayama, Tsutomu Nonaka | 2023-05-09 |