Hiroshi Hirakawa

Person

Isehara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Rubber-rubber bonded composite structure
- Patent number 5,405,690
- Issue date Apr 11, 1995
- The Yokohama Rubber Co., Ltd.
- Hiroshi Hirakawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rubber-rubber bonded composite structure
- Patent number 5,370,915
- Issue date Dec 6, 1994
- The Yokohama Rubber Co., Ltd.
- Hiroshi Hirakawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Energy absorbing structure
- Patent number 5,264,259
- Issue date Nov 23, 1993
- The Yokohama Rubber Co., Ltd.
- Hajime Satoh
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pneumatic tire with inner liner of ultra high molecular weight poly...
- Patent number 5,236,030
- Issue date Aug 17, 1993
- The Yokohama Rubber Co., Ltd.
- Makoto Misawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rubber compositions for tire treads
- Patent number 4,748,168
- Issue date May 31, 1988
- The Yokohama Rubber Co., Ltd.
- Shinji Kawakami
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Radial tire
- Patent number 4,396,052
- Issue date Aug 2, 1983
- The Yokohama Rubber Co., Ltd.
- Asahiro Ahagon
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Process for preparing rubber compositions for tire treads
- Patent number 4,342,670
- Issue date Aug 3, 1982
- The Yokohama Rubber Co., Ltd.
- Asahiro Ahagon
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rubber compositions for tire treads having low rolling resistance
- Patent number 4,323,485
- Issue date Apr 6, 1982
- The Yokohama Rubber Co., Ltd.
- Asahiro Ahagon
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Process for preparing rubber composition for tire treads
- Patent number 4,321,168
- Issue date Mar 23, 1982
- Nippon Zeon Co., Ltd.
- Akio Ueda
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Tread compositions for tires having low rolling resistance
- Patent number 4,309,318
- Issue date Jan 5, 1982
- Yokohama Rubber Co., Ltd.
- Asahiro Ahagon
- B60 - VEHICLES IN GENERAL

Hiroshi Hirakawa

Person

Patents Grantslast 30 patents

Rubber-rubber bonded composite structure

Rubber-rubber bonded composite structure

Energy absorbing structure

Pneumatic tire with inner liner of ultra high molecular weight poly...

Rubber compositions for tire treads

Radial tire

Process for preparing rubber compositions for tire treads

Rubber compositions for tire treads having low rolling resistance

Process for preparing rubber composition for tire treads

Tread compositions for tires having low rolling resistance