Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5884162 | 1.times.N communication system for private branch exchange | Shigeru Yamazaki, Kazuo Seko | 1999-03-16 |
AH
Akihiko Hiramatu
Overall (All Time): #3,644,864 of 4,157,543Top 90%
1
Patents All Time