Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272758 | Electret condenser microphone unit | Shuzo Isogami, Mamoru Yasuda, Toshirou Izuchi, Kazuo Ono, Kiyoshi Ohta | 1993-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272758 | Electret condenser microphone unit | Shuzo Isogami, Mamoru Yasuda, Toshirou Izuchi, Kazuo Ono, Kiyoshi Ohta | 1993-12-21 |