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Hiroyuki Onodera
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Yokohama, JP
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last 30 patents
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Patent Grant
Replica plate, process for producing the same and projection type t...
Patent number
5,071,236
Issue date
Dec 10, 1991
Hitachi, Ltd.
Ryoichi Sudo
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL