YI

Yohei IKEBE

HO Hoya: 2 patents #20 of 79Top 30%
Overall (2019): #103,828 of 560,194Top 20%
2
Patents 2019

Issued Patents 2019

Patent #TitleCo-InventorsDate
10481484 Reflective mask blank, reflective mask, method for manufacturing reflective mask blank, and method for manufacturing semiconductor device Takahiro Onoue, Tsutomu Shoki 2019-11-19
10394113 Reflective mask blank, reflective mask and method of manufacturing semiconductor device Kazuhiro Hamamoto 2019-08-27