Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873162 | X-ray mask and a manufacture method therefor | Nobuyuki Yoshioka, Nobuo Fujiwara | 1989-10-10 |
YW
Yaichirou Watakabe
Overall (All Time): #3,939,714 of 4,157,543Top 95%
1
Patents All Time