Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5142513 | Magneto-optical storage medium and magneto-optical overwrite system with magnetic characteristic change by variation of thermal condition for recording information | Hideaki Takehara, Yasuo Shibata | 1992-08-25 |
| 4974696 | Power transmission device for four wheel drive vehicles | Takenori Kano, Fumitomo Yokoyama, Yasunari Nakamura, Masaharu Tanaka, Koujiro Kuramochi | 1990-12-04 |
| 4704326 | Tin alloys for recording media | Yasuo Shibata, Hideaki Takehara | 1987-11-03 |