Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4785226 | Powder supply device with solar cell | Hidetaka Fujisawa | 1988-11-15 |
KW
Katsuhiro Wakita
Overall (All Time): #3,963,013 of 4,157,543Top 100%
1
Patents All Time