YI

Yohei IKEBE

HO Hoya: 2 patents #11 of 71Top 20%
Overall (2018): #87,729 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Patent #TitleCo-InventorsDate
10067419 Method for manufacturing reflective mask blank, and method for manufacturing reflective mask Tsutomu Shoki, Kazuhiro Hamamoto 2018-09-04
9864267 Reflective mask blank, reflective mask, and method for manufacturing semiconductor device Takahiro Onoue, Tsutomu Shoki 2018-01-09