Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853870 | Electron beam exposure system | Nobuyuki Yasutake, Hiroshi Yasuda, Kenichi Kawashima | 1989-08-01 |
JK
Jun-ichi Kai
Overall (All Time): #3,934,328 of 4,157,543Top 95%
1
Patents All Time