Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649004 | Private branch exchange | Toshihiko Ikeno | 1997-07-15 |
NI
Nobuhiro Ikeda
Overall (1997): #98,343 of 185,788Top 55%
1
Patents 1997