Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4596009 | Information signal regenerating stylus and manufacturing method thereof | Tetsuo Yoshikane, Akira Kagata | 1986-06-17 |
| 4534136 | Information signal regenerating stylus and manufacturing method thereof | Tetsuo Yoshikane, Akira Kagata | 1985-08-13 |