Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4413187 | Method for exposing an electron beam | Yuji Akazawa, Toshihiko Osada, Yuji Tanaka, Masayuki Hattori | 1983-11-01 |
TS
Takaharu Shima
Overall (All Time): #4,060,193 of 4,157,543Top 100%
1
Patents All Time