Tokyo
Japan
5
2019-05-23
The entities that hold a legal rights for patent applications filed by inventor USUI Yoichi:
Yoichi USUI from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Conductive film coated substrate, multilayer reflective film coated substrate, reflective mask blank, reflective mask, and semiconductor device manufacturing method
#2 | 2017-11-02Conductive film coated substrate, multilayer reflective film coated substrate, reflective mask blank, reflective mask, and semiconductor device manufacturing method
#3 | 2016-05-05Conductive film coated substrate, multilayer reflective film coated substrate, reflective mask blank, reflective mask, and semiconductor device manufacturing method
#4 | 2008-08-14Reflective mask blank
#5 | 2005-10-27Reflective maskblanks
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