Assignee
TOPPAN PHOTOMASK CO LTD
JP·0 granted patents·16 pending applications·0 citations·filing 2020–2023
Top patents by PatentIndex Score
16 records- 0161US2025130488A1Photomask blank, photomask, and method for manufacturing photomaskTOPPAN PHOTOMASK CO LTD·Filed 2023·Application pending·0 cites
- 0254US2024302732A1Phase shift mask blank, phase shift mask, and method for manufacturing phase shift maskTOPPAN PHOTOMASK CO LTD·Filed 2022·Application pending·0 cites
- 0354US2024152045A1Phase shift mask blank, phase shift mask, method for manufacturing phase shift mask, and method for modifying phase shift maskTOPPAN PHOTOMASK CO LTD·Filed 2022·Application pending·0 cites
- 0453US2023333461A1Phase shift mask blank, phase shift mask, and method for manufacturing phase shift maskTOPPAN PHOTOMASK CO LTD·Filed 2021·Application pending·0 cites
- 0553US2024419064A1Phase shift mask and method for manufacturing phase shift maskTOPPAN PHOTOMASK CO LTD·Filed 2023·Application pending·0 cites
- 0652US2023070724A1Reflective mask blank, reflective mask, reflective mask manufacturing method, and reflective mask correction methodTOPPAN PHOTOMASK CO LTD·Filed 2020·Application pending·0 cites
- 0745US2024288763A1Reflective photomask and method for manufacturing reflective photomaskTOPPAN PHOTOMASK CO LTD·Filed 2022·Application pending·0 cites
- 0845US2023375908A1Reflective photomask blank and reflective photomaskTOPPAN PHOTOMASK CO LTD·Filed 2021·Application pending·0 cites
- 0945US2024272542A1Reflective photomask blank and reflective photomaskTOPPAN PHOTOMASK CO LTD·Filed 2022·Application pending·0 cites
- 1041US2024126160A1Reflective photomask blank and reflective photomaskTOPPAN PHOTOMASK CO LTD·Filed 2022·Application pending·0 cites
- 1141US2024053670A1Reflective photomask blank and reflective photomaskTOPPAN PHOTOMASK CO LTD·Filed 2021·Application pending·0 cites
- 1240US2024019776A1Reflective mask and method for producing reflective maskTOPPAN PHOTOMASK CO LTD·Filed 2021·Application pending·0 cites
- 1340US2024077796A1Reflective photomask blank and reflective photomaskTOPPAN PHOTOMASK CO LTD·Filed 2021·Application pending·0 cites
- 1438US2023143851A1Reflective photomask blank and reflective photomaskTOPPAN PHOTOMASK CO LTD·Filed 2021·Application pending·0 cites
- 1537US2022397817A1Reflective photomask blank and reflective photomaskTOPPAN PHOTOMASK CO LTD·Filed 2020·Application pending·0 cites
- 1634US2024118604A1Reflective photomask blank and reflective photomaskTOPPAN PHOTOMASK CO LTD·Filed 2022·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →