Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663936 | Magneto-optic recording medium suited for mark edge recording system and having magnetic layer made of composition modulated material | Tsutomu Tanaka, Haruhiko Izumi, Keiji Shono | 1997-09-02 |