Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658131 | Electric pump control system | Yasushi Aoki, Takeshi Ohba, Hiroyuki Matsuo | 1997-08-19 |
YI
Yukihisa Ishii
Overall (1997): #54,476 of 185,788Top 30%
1
Patents 1997