Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655012 | Private branch exchange apparatus | Sadaka Mitsuo | 1997-08-05 |
KT
Kousuke Tsuchida
Overall (All Time): #3,721,708 of 4,157,543Top 90%
1
Patents All Time