Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647835 | Portable generator | Tetsuzo Fujikawa, Yoshiteru Ueda | 1987-03-03 |
YY
Yooichi Yamaguchi
Overall (All Time): #3,969,580 of 4,157,543Top 100%
1
Patents All Time