Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10538415 | Ceiling unit and elevator car including ceiling unit | — | 2020-01-21 |
NM
Naoyuki Maruyama
Overall (2020): #334,478 of 565,922Top 60%
1
Patents 2020