Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908739 | Motor assembly and method of manufacturing thereof | Kimihiko Hajota, Yoshiki Okayama, Katsutoshi Hamada | 2011-03-22 |
| 5195083 | Disc-shaped recording medium capable of recording data signals by means of light beam | Ryoichi Imanaka | 1993-03-16 |
| 4596009 | Information signal regenerating stylus and manufacturing method thereof | Tetsuo Yoshikane, Hiromi Hiura | 1986-06-17 |
| 4534136 | Information signal regenerating stylus and manufacturing method thereof | Tetsuo Yoshikane, Hiromi Hiura | 1985-08-13 |