Inventor · disambiguated record
Yuzo Okamura
Also filed as: OKAMURA Yuzo
7 granted patents·4 pending applications·7 citations·filing 2013–2025
74Inventor score
Top patents by PatentIndex Score
11 records- 0181US10599031B2Glass substrate for mask blank, mask blank and photomaskAGC INC·Filed 2018·Granted Mar 24, 2020·3 cites·14 claims
- 0280US8916316B2Reflecting mask blank, method for manufacturing reflective mask blank and method for quality control for reflective mask blankASAHI GLASS CO LTD·Filed 2014·Granted Dec 23, 2014·3 cites·20 claims
- 0366US8921017B2Multilayer substrate, manufacturing method for multilayer substrate, and quality control method for multilayer substrateASAHI GLASS CO LTD·Filed 2013·Granted Dec 30, 2014·1 cites·20 claims
- 0454US2025197676A1Polishing agent, additive solution for polishing agent, and polishing methodAGC INC·Filed 2025·Application pending·0 cites
- 0551US10146126B2Glass substrate for mask blank, mask blank, photomask, and method for manufacturing glass substrate for mask blankASAHI GLASS CO LTD·Filed 2018·Granted Dec 4, 2018·0 cites·11 claims
- 0649US10241392B2Glass substrate for mask blank, and method for producing the sameAGC INC·Filed 2016·Granted Mar 26, 2019·0 cites·15 claims
- 0748US10146125B2Glass substrate for mask blank, mask blank, photomask, and method for manufacturing glass substrate for mask blankASAHI GLASS CO LTD·Filed 2016·Granted Dec 4, 2018·0 cites·12 claims
- 0845US2021403757A1Polishing material and polishing methodAGC INC·Filed 2021·Application pending·0 cites
- 0939US10222689B2Mask blankAGC INC·Filed 2018·Granted Mar 5, 2019·0 cites·12 claims
- 1039US2016168020A1Method of finishing pre-polished glass substrate surfaceASAHI GLASS CO LTD·Filed 2015·Application pending·0 cites
- 1128US2016266482A1Glass substrate for mask blankASAHI GLASS CO LTD·Filed 2016·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →