Noriyuki Kawai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photomask material and method of processing thereof
- Patent number 6,312,857
- Issue date Nov 6, 2001
- Mitsubishi Paper Mills Ltd.
- Kunihiro Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photomask material, photomask and methods for the production thereof
- Patent number 6,303,262
- Issue date Oct 16, 2001
- Mitsubishi Paper Mills Ltd.
- Kazuchiyo Takaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY