Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014646 | Method and apparatus for writing oxide film | Hideo Koseki, Toshio Kawamura, Yasuhiko Tsukikawa | 1991-05-14 |
YI
Yufuko Ito
Overall (All Time): #3,876,169 of 4,157,543Top 95%
1
Patents All Time