Takao Kawanabe

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Tokorozawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of making semiconductor integrated circuit, pattern detectin...
- Patent number 5,432,608
- Issue date Jul 11, 1995
- Hitachi, Ltd.
- Susumu Komoriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of making semiconductor integrated circuit, pattern detectin...
- Patent number 5,260,771
- Issue date Nov 9, 1993
- Hitachi, Ltd.
- Susumu Komoriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of making semiconductor integrated circuit, pattern detectin...
- Patent number 5,094,539
- Issue date Mar 10, 1992
- Hitachi, Ltd.
- Susumu Komoriya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for producing semiconductor devices and cutting fuses
- Patent number 4,795,720
- Issue date Jan 3, 1989
- Hitachi, Ltd.
- Takao Kawanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for repairing defects on a photo-mask pattern
- Patent number 4,609,566
- Issue date Sep 2, 1986
- Hitachi, Ltd.
- Mikio Hongo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for redressing defective photomask
- Patent number 4,463,073
- Issue date Jul 31, 1984
- Hitachi, Ltd.
- Tateoki Miyauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY