Keiichi Hirano

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Ushiku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Precision injection-molding metal mold
- Patent number 5,419,697
- Issue date May 30, 1995
- Canon Kabushiki Kaisha
- Keiichi Hirano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL