Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014322 | Diaphragm unit of a condenser microphone, a method of fabricating the same, and a condenser microphone | Mamoru Yasuda | 1991-05-07 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014322 | Diaphragm unit of a condenser microphone, a method of fabricating the same, and a condenser microphone | Mamoru Yasuda | 1991-05-07 |