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Tomoko Hisaki
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Hamura, JP
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last 30 patents
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Patent Grant
Method of pattern formation
Patent number
4,434,224
Issue date
Feb 28, 1984
Nippon Telegraph and Telephone Public Corp.
Akira Yoshikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Doping from a photoresist layer
Patent number
4,350,541
Issue date
Sep 21, 1982
Nippon Telegraph and Telephone Public Corp.
Yoshihiko Mizushima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Pattern-forming process
Patent number
4,320,191
Issue date
Mar 16, 1982
Nippon Telegraph & Telephone Public Corporation
Akira Yoshikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY