Yoshihiko Aiba

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projection type exposure method and apparatus
- Patent number 5,247,329
- Issue date Sep 21, 1993
- Hitachi, Ltd.
- Yoshitada Oshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for detecting focal plane
- Patent number 5,153,916
- Issue date Oct 6, 1992
- Hitachi, Ltd.
- Akira Inagaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY