Kei Mesuda

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Designing method and device for phase shift mask
- Patent number 7,367,010
- Issue date Apr 29, 2008
- Dai Nippon Printing Co., Ltd.
- Kei Mesuda
- E21 - EARTH DRILLING MINING
Information Patent Grant
Designing method and device for phase shift mask
- Patent number 7,287,240
- Issue date Oct 23, 2007
- Dai Nippon Printing Co., Ltd.
- Nobuhito Toyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Designing method and device for phase shift mask
- Patent number 7,067,221
- Issue date Jun 27, 2006
- Dai Nippon Printing Co., Ltd.
- Kei Mesuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Designing method and device for phase shift mask
- Publication number 20060141365
- Publication date Jun 29, 2006
- Nobuhito Toyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Designing method and device for phase shift mask
- Publication number 20050262468
- Publication date Nov 24, 2005
- DAI NIPPON PRINTING CO. , LTD.
- Kei Mesuda
- E21 - EARTH DRILLING MINING
Information Patent Application
Designing method and device for phase shift mask
- Publication number 20040101766
- Publication date May 27, 2004
- DAI NIPPON PRINTING CO. , LTD.
- Kei Mesuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY