Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5390156 | Magneto-optic overwrite disk recording system for erasing and overwriting in a single pass | Haruhiko Izumi, Masaharu Moritsugu | 1995-02-14 |
| 5359586 | Read out apparatus for reading out information from magneto-optic disk | Haruhiko Izumi, Masaharu Moritsugu | 1994-10-25 |
| 5347505 | Optical medium recording method and apparatus employing pulse width delay and/or advancement | Masaharu Moritsugu, Haruhiko Izumi | 1994-09-13 |
| 5235590 | Read out apparatus for reading out information from magneto-optic disk | Akio Futamata, Masaharu Moritsugu, Haruhiko Izumi | 1993-08-10 |