MS

Mitsuhiro Shirakura

HO Hoya: 1 patents #757 of 1,290Top 60%
Overall (All Time): #3,152,712 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8404407 Mask blank, mask blank manufacturing method, transfer mask, and transfer mask manufacturing method Masahiro Hashimoto, Hiroshi Shirotori, Yuusuke Honma 2013-03-26