Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594602 | Tracking error detecting circuit | Toshihiko Maruoka, Kei Ichikawa, Kenichi Honjo, Makoto Gotou | 1997-01-14 |
HI
Haruo Isaka
Overall (1997): #145,351 of 185,788Top 80%
1
Patents 1997