Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691631 | Power supply apparatus | Hiroshi Shimamori, Shinichi Ohtsu | 1997-11-25 |
RY
Ryuichi Yanagisawa
Overall (All Time): #3,730,354 of 4,157,543Top 90%
1
Patents All Time