Inventor
OKAMURA Yuzo
JP7 patents
⚠️ This page may combine multiple inventors who share the name “OKAMURA Yuzo”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI GLASS CO LTD
4 patentsUS8916316B2Dec 23, 2014
Reflecting mask blank, method for manufacturing reflective mask blank and method for quality control for reflective mask blank
ASAHI GLASS CO LTD3 citations60
US8921017B2Dec 30, 2014
Multilayer substrate, manufacturing method for multilayer substrate, and quality control method for multilayer substrate
ASAHI GLASS CO LTD1 citations50
US10146126B2Dec 4, 2018
Glass substrate for mask blank, mask blank, photomask, and method for manufacturing glass substrate for mask blank
ASAHI GLASS CO LTD0 citations46
US10146125B2Dec 4, 2018
Glass substrate for mask blank, mask blank, photomask, and method for manufacturing glass substrate for mask blank
ASAHI GLASS CO LTD0 citations46