Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7295675 | Phantom powered capacitor microphone and a method of using a vacuum tube in the same | Hiroshi Akino, Shioto Okita | 2007-11-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7295675 | Phantom powered capacitor microphone and a method of using a vacuum tube in the same | Hiroshi Akino, Shioto Okita | 2007-11-13 |