Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5018194 | Electronic switching system having call-forwarding function | Takashi Suzuki | 1991-05-21 |
EN
Etsuji NAKAGIRI
Overall (All Time): #3,876,994 of 4,157,543Top 95%
1
Patents All Time