Yoshinori Hoshina

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Fuchu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mask structure having phase shifting pattern suitable for forming f...
- Patent number 5,604,059
- Issue date Feb 18, 1997
- Hitachi, Ltd.
- Ryo Imura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY