Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639217 | Splitter-type impeller | Akio Onzuka | 1997-06-17 |
YO
Yukio Ohtsuki
Overall (1997): #53,973 of 185,788Top 30%
1
Patents 1997