Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5064026 | Elevator monitor apparatus | Yasuhiro Nagata | 1991-11-12 |
TK
Toshiaki Kawahara
Overall (All Time): #3,889,520 of 4,157,543Top 95%
1
Patents All Time