Yuuichi Yoshida

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gradated photomask and its fabrication process
- Patent number 8,124,301
- Issue date Feb 28, 2012
- Dai Nippon Printing Co., Ltd.
- Junji Fujikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
GRADATED PHOTOMASK AND ITS FABRICATION PROCESS
- Publication number 20090220867
- Publication date Sep 3, 2009
- DAI NIPPON PRINTING CO., LTD.
- Junji Fujikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY