Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673245 | Rotary optical system for guiding and converging divided light beams to a tape recording medium | Susumu Nomura, Fumihiko Sano | 1997-09-30 |
| 5610883 | Optical pickup apparatus having means to eliminate crosstalk in a focus error signal | — | 1997-03-11 |