Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699585 | Electric vacuum cleaner | Yasuhiro Oka | 1997-12-23 |
YT
Yutaka Tomooka
Overall (All Time): #3,732,228 of 4,157,543Top 90%
1
Patents All Time