Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673245 | Rotary optical system for guiding and converging divided light beams to a tape recording medium | Naoharu Yanagawa, Fumihiko Sano | 1997-09-30 |
SN
Susumu Nomura
Overall (1997): #73,449 of 185,788Top 40%
1
Patents 1997