Masahiro Hirosue

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Itami, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photomask material
- Patent number 4,722,878
- Issue date Feb 2, 1988
- Mitsubishi Denki Kabushiki Kaisha
- Yaichiro Watakabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY