Inventor · disambiguated record
Yoko Ishitsuka
Also filed as: ISHITSUKA YOKO
5 granted patents·0 citations·filing 2017–2020
60Inventor score
Files withSHINETSU CHEMICAL CO5
Top patents by PatentIndex Score
5 records- 0168US11465260B2Method for producing synthetic quartz glass substrateSHINETSU CHEMICAL CO·Filed 2019·Granted Oct 11, 2022·0 cites·9 claims
- 0263US11591260B2Large-size synthetic quartz glass substrate, evaluation method, and manufacturing methodSHINETSU CHEMICAL CO·Filed 2020·Granted Feb 28, 2023·0 cites·4 claims
- 0358US10865139B2Large-size synthetic quartz glass substrate, evaluation method, and manufacturing methodSHINETSU CHEMICAL CO·Filed 2018·Granted Dec 15, 2020·0 cites·7 claims
- 0453US10646976B2Method for producing substrateSHINETSU CHEMICAL CO·Filed 2017·Granted May 12, 2020·0 cites·4 claims
- 0549US10737966B2Method for preparing synthetic quartz glass substrateSHINETSU CHEMICAL CO·Filed 2017·Granted Aug 11, 2020·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →