Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327407 | Tracking control apparatus for generating sawtooth tracking control signal from sinusoidal tracking error signal | Motoyuki Suzuki, Yoshio Suzuki | 1994-07-05 |
| 5276670 | Phase change optical disk and method for using the same | Hiroshi Nogami, Masaji Ishigaki, Norio Goto, Makoto Miyamoto | 1994-01-04 |