Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5418077 | Magnetic records medium having multiple magnetic layers for recording in long and short wavelength | Toshihiko Oguchi, Hajime Takeuchi, Seiichi Tobisawa, Toshio Fukaya | 1995-05-23 |