Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5717751 | Telephone apparatus and private branch exchange apparatus | Hisashi Yagi | 1998-02-10 |
KY
Kouji Yamanishi
Overall (All Time): #3,676,181 of 4,157,543Top 90%
1
Patents All Time