Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11142429 | Emergency stop device for an elevator car | Seiji Watanabe, Kotaro Fukui, Eiji Ando | 2021-10-12 |
NS
Naohiro Shiraishi
Overall (2021): #320,140 of 548,734Top 60%
1
Patents 2021