Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633847 | Apparatus for recording on and playback from both sides of a disk shaped recording medium | Shigeo Shimada | 1997-05-27 |
WM
Wataru Masuda
Overall (1997): #61,794 of 185,788Top 35%
1
Patents 1997