Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10008426 | Etching method and etchant | Takehiro Nakai, Norihiko Tsuchiya, Sakae Funo, Junichi Shimada | 2018-06-26 |
YI
Youko Itabashi
Overall (All Time): #2,896,482 of 4,157,543Top 70%
1
Patents All Time