Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804600 | Lithographic mask structure and process for preparing the same | Hideo Kato, Keiko Matsuda | 1989-02-14 |
HS
Hirofumi Shibatya
Overall (All Time): #3,920,852 of 4,157,543Top 95%
1
Patents All Time