Yukihiro Hata

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Plastics shaping mold having patterned resin layer
- Patent number 4,919,388
- Issue date Apr 24, 1990
- Tanazawa Hakko Sha Co., Ltd.
- Hiroyuki Koike
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL