Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357577 | Vacuum tube microphone apparatus | Tomohiro Waji, Kazumasa Takahashi, Satoshi Yamazaki, Kiichi Yoshida, Osamu Kohno +1 more | 1994-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357577 | Vacuum tube microphone apparatus | Tomohiro Waji, Kazumasa Takahashi, Satoshi Yamazaki, Kiichi Yoshida, Osamu Kohno +1 more | 1994-10-18 |