Usui; Yoichi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Usui; Yoichi.The latest application filed is for "conductive film coated substrate, multilayer reflective film coated substrate, reflective mask blank, reflective mask, and semic".

Company Profile

0.5.5

Usui; Yoichi - Tokyo JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Conductive film coated substrate, multilayer reflective film coated substrate, reflective mask blank, reflective mask, and semiconductor device manufacturing method Grant 10,527,927 - Hamamoto , et al. J	2020-01-07
Conductive Film Coated Substrate, Multilayer Reflective Film Coated Substrate, Reflective Mask Blank, Reflective Mask, And Semic App 20190155141 - HAMAMOTO; Kazuhiro ; et al.	2019-05-23
Conductive film coated substrate, multilayer reflective film coated substrate, reflective mask blank, reflective mask, and semiconductor device manufacturing method Grant 10,209,614 - Hamamoto , et al. Feb	2019-02-19
Conductive Film Coated Substrate, Multilayer Reflective Film Coated Substrate, Reflective Mask Blank, Reflective Mask, And Semiconductor Device Manufacturing Method App 20170315439 - Hamamoto; Kazuhiro ; et al.	2017-11-02
Conductive film coated substrate, multilayer reflective film coated substrate, reflective mask blank, reflective mask, and semiconductor device manufacturing method Grant 9,746,762 - Hamamoto , et al. August 29, 2	2017-08-29
Conductive Film Coated Substrate, Multilayer Reflective Film Coated Substrate, Reflective Mask Blank, Reflective Mask, And Semiconductor Device Manufacturing Method App 20160124298 - HAMAMOTO; Kazuhiro ; et al.	2016-05-05
Reflective mask blank Grant 7,722,998 - Ishibashi , et al. May 25, 2	2010-05-25
Reflective Mask Blank App 20080193862 - ISHIBASHI; Shinichi ; et al.	2008-08-14
Reflective maskblanks Grant 7,348,105 - Ishibashi , et al. March 25, 2	2008-03-25
Reflective maskblanks App 20050238963 - Ishibashi, Shinichi ; et al.	2005-10-27

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