Hiroshi Hirakawa

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Musashino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pneumatic radial tire having a reduced rolling resistance
- Patent number 4,373,566
- Issue date Feb 15, 1983
- Bridgestone Tire Co., Ltd.
- Hiroshi Hirakawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pneumatic radial tires for passenger cars having a low rolling resi...
- Patent number 4,349,061
- Issue date Sep 14, 1982
- Bridgestone Tire Company Limited
- Hiroshi Hirakawa
- B60 - VEHICLES IN GENERAL