Assignee
TOSOH QUARTZ CORP
JP·4 granted patents·2 pending applications·18 citations·filing 1998–2021
Top patents by PatentIndex Score
6 records- 0176US7305852B2Method for manufacturing quartz glass ingotTOSOH QUARTZ CORP·Filed 2001·Granted Dec 11, 2007·10 cites·5 claims
- 0250US11993538B2Opaque quartz glass and a method for producing the sameTOSOH QUARTZ CORP·Filed 2021·Granted May 28, 2024·0 cites·5 claims
- 0347US12006242B2Opaque quartz glass and method of manufacturing the sameTOSOH QUARTZ CORP·Filed 2019·Granted Jun 11, 2024·0 cites·5 claims
- 0438US6312775B1Opaque silica glass article having transparent portion and process for producing sameTOSOH QUARTZ CORP·Filed 1998·Granted Nov 6, 2001·8 cites·3 claims
- 0535US2021403374A1Method of manufacturing opaque quartz glassTOSOH QUARTZ CORP·Filed 2018·Application pending·0 cites
- 0633US2021039978A1Opaque quartz glass and method for manufacturing the sameTOSOH QUARTZ CORP·Filed 2018·Application pending·0 cites
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