Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691494 | Centralized system providing karaoke service and extraneous service to terminals | Hirokazu Kato | 1997-11-25 |
TS
Tom Jen Sai
Overall (All Time): #3,730,336 of 4,157,543Top 90%
1
Patents All Time