YU

Youichi Usui

HO Hoya: 2 patents #17 of 128Top 15%
📍 Shinjuku, JP: #3 of 25 inventorsTop 15%
Overall (2016): #83,671 of 481,213Top 20%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9494851 Mask blank substrate, substrate with multilayer reflection film, transmissive mask blank, reflective mask, and semiconductor device fabrication method Toshihiko Orihara, Kazuhiro Hamamoto, Hirofumi Kozakai, Tsutomu Shoki, Junichi Horikawa 2016-11-15
9348217 Mask blank substrate, substrate with multilayer reflection film, transmissive mask blank, reflective mask blank, transmissive mask, reflective mask, and semiconductor device fabrication method Kazuhiro Hamamoto, Toshihiko Orihara, Hirofumi Kozakai, Tsutomu Shoki, Junichi Horikawa 2016-05-24