Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671203 | Signal recording layer recognition method in digital disk and apparatus thereof | — | 1997-09-23 |
JR
Jun-Ho Ra
Overall (1997): #124,269 of 185,788Top 70%
1
Patents 1997