Ritsuko Obata

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Tsukuba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photolithographically viahole-forming photosensitive element compri...
- Patent number 5,532,105
- Issue date Jul 2, 1996
- Hitachi Chemical Company, Ltd.
- Takashi Yamadera
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY