Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4205206 | Carbon granule microphone with molded resin-conductive carbon electrode | Takehiro Ikariyama, Raizo Jinnouchi, Kunioki Oyagi, Takashi Soda | 1980-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4205206 | Carbon granule microphone with molded resin-conductive carbon electrode | Takehiro Ikariyama, Raizo Jinnouchi, Kunioki Oyagi, Takashi Soda | 1980-05-27 |