Hiroichi Kawahira

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for producing scanning data used to produce a...
- Patent number 5,725,974
- Issue date Mar 10, 1998
- Sony Corporation
- Hiroichi Kawahira
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for washing substrates
- Patent number 5,634,980
- Issue date Jun 3, 1997
- Sony Corporation
- Manabu Tomita
- B08 - CLEANING
Information Patent Grant
Process of producing exposure mask
- Patent number 5,202,204
- Issue date Apr 13, 1993
- Sony Corporation
- Hiroichi Kawahira
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY