Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604796 | Method for automatically controlling a call-waiting-interruption restriction and switching system | — | 1997-02-18 |
YY
Yuki Yamazaki
Overall (1997): #53,577 of 185,788Top 30%
1
Patents 1997