Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611592 | Incoming-call tone generation device | Hiroki Sato, Nobuhiro Shimizu | 2003-08-26 |
KT
Koichiro Togao
Overall (All Time): #3,521,100 of 4,157,543Top 85%
1
Patents All Time