Isao Ashida

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mask pattern correction method, semiconductor device manufacturing...
- Patent number 7,109,500
- Issue date Sep 19, 2006
- Sony Corporation
- Shinji Omori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Complementary division condition determining method and program and...
- Patent number 7,010,434
- Issue date Mar 7, 2006
- Sony Corporation
- Isao Ashida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stencil mask and method of producing the same, semiconductor device...
- Patent number 6,780,659
- Issue date Aug 24, 2004
- Sony Corporation
- Isao Ashida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for mask data verification and computer readable record medi...
- Patent number 6,658,641
- Issue date Dec 2, 2003
- Isao Ashida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of and apparatus for producing exposure mask
- Patent number 6,401,235
- Issue date Jun 4, 2002
- Sony Corporation
- Isao Ashida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Mask processing device, mask processing method, program and mask
- Publication number 20060143172
- Publication date Jun 29, 2006
- Isao Ashida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Mask pattern correction method, semiconductor device manufacturing...
- Publication number 20050124078
- Publication date Jun 9, 2005
- Sony Corp.
- Shinji Omori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Stencil mask and method of producing the same, semiconductor device...
- Publication number 20050003282
- Publication date Jan 6, 2005
- Isao Ashida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Complementary division condition determining method and program and...
- Publication number 20040210423
- Publication date Oct 21, 2004
- Isao Ashida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Stencil mask and method of producing the same, semiconductor device...
- Publication number 20030022496
- Publication date Jan 30, 2003
- Isao Ashida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method for mask data verification and computer readable record medi...
- Publication number 20020066069
- Publication date May 30, 2002
- Sony Corporation
- Isao Ashida
- G06 - COMPUTING CALCULATING COUNTING