Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661642 | Switching power supply | — | 1997-08-26 |
| 4608576 | Multi-pen plotter-printer | Yasuhiko Nishimura | 1986-08-26 |
IS
Ishio Shimashita
Overall (All Time): #2,272,713 of 4,157,543Top 55%
2
Patents All Time