Hiroshi Aida

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Injection molding method for preventing formation of surface defect...
- Patent number 5,653,932
- Issue date Aug 5, 1997
- Nippon Steel Chemical Co., Ltd.
- Hiroshi Aida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Mold for injection molding a thermoplastic part free from sink mark...
- Patent number 5,540,581
- Issue date Jul 30, 1996
- Nippon Steel Chemical Co., Ltd.
- Hiroshi Aida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Injection molding method for manufacturing a thermoplastic part fre...
- Patent number 5,232,654
- Issue date Aug 3, 1993
- Nippon Steel Chemical Co., Ltd.
- Hiroshi Aida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Expansion injection molding die
- Patent number 4,963,087
- Issue date Oct 16, 1990
- Nippon Steel Chemical Co., Ltd.
- Hiroshi Aida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL