Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7457549 | Sub signal modulation apparatus, sub signal demodulation apparatus, and sub signal modulation demodulation system | — | 2008-11-25 |
YK
Youhei Koganei — 1 Patent
Overall (All Time): #3,371,220 of 4,157,543Top 85%
1
Patents All Time