Koichi Hirano

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Akigawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tire manufacturing mold
- Patent number 4,543,050
- Issue date Sep 24, 1985
- Bridgestone Tire Co. Ltd.
- Kenichi Takahashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for manufacturing tire molding metal molds with a two-stage...
- Patent number 4,471,200
- Issue date Sep 11, 1984
- Bridgestone Tire Co. Ltd.
- Kenichi Takahashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for making a ring-shaped mold
- Patent number 4,411,175
- Issue date Oct 25, 1983
- Bridgestone Tire Co., Ltd.
- Kenichi Takahashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
System for manufacturing tire molding metal molds with electrical d...
- Patent number 4,409,457
- Issue date Oct 11, 1983
- Bridgeport Tire Co. Ltd.
- Kenichi Takahashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL