Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5019767 | Portable power supply | Ichiro Shirai | 1991-05-28 |
KS
Kazuhiko Sakuragi
Overall (All Time): #3,877,448 of 4,157,543Top 95%
1
Patents All Time