Kunio Watanabe

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Itano-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photomask having central and peripheral line patterns
- Patent number 7,264,907
- Issue date Sep 4, 2007
- Sharp Kabushiki Kaisha
- Kunio Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pattern transfer method using a mask and half tone mask
- Patent number 6,902,852
- Issue date Jun 7, 2005
- Sharp Kabushiki Kaisha
- Kunio Watanabe
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Phase shift mask and process for manufacturing the same
- Patent number 6,326,107
- Issue date Dec 4, 2001
- Sharp Kabushiki Kaisha
- Kunio Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing halftone mask
- Patent number 6,162,567
- Issue date Dec 19, 2000
- Sharp Kabushiki Kaisha
- Kunio Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for producing a photomask
- Patent number 5,851,702
- Issue date Dec 22, 1998
- Sharp Kabushiki Kaisha
- Kunio Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Pattern transfer method using a mask and half tone mask
- Publication number 20030064300
- Publication date Apr 3, 2003
- Kunio Watanabe
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR