Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9918600 | Self-propelled electric vacuum cleaner | Yasuhiro Oka | 2018-03-20 |
NU
Naoko Umehara
Overall (2018): #292,389 of 503,207Top 60%
1
Patents 2018