Katsuki Oohashi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Phase shift mask inspection apparatus
- Patent number 6,078,393
- Issue date Jun 20, 2000
- Kabushiki Kaisha Toshiba
- Katsuki Oohashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY