Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4605823 | Phone conference system | Yozo Sudo, Hiroyuki Mori | 1986-08-12 |
AM
Atsuya Murai
Overall (All Time): #4,000,194 of 4,157,543Top 100%
1
Patents All Time