Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10421639 | Elevator system and elevator inspection method for driving a hoisting machine while keeping an emergency stopper operational | — | 2019-09-24 |
RK
Rikio Kondo
Overall (2019): #299,593 of 560,194Top 55%
1
Patents 2019