Toshihiro Takehana

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal matrix composite and piston using the same
- Patent number 6,432,557
- Issue date Aug 13, 2002
- NHK Spring Co., Ltd.
- Toshihiro Takehana
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Suspension system for a vehicle
- Patent number 5,267,751
- Issue date Dec 7, 1993
- NHK Spring Co., Ltd.
- Shuji Hiromoto
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Cushion and method of manufacturing the same
- Patent number 5,149,567
- Issue date Sep 22, 1992
- NHK Spring Co., Ltd.
- Takeshi Minegishi
- B68 - SADDLERY UPHOLSTERY
Information Patent Grant
Suspension system for a vehicle
- Patent number 5,147,097
- Issue date Sep 15, 1992
- NHK Spring Co., Ltd.
- Shuji Hiromoto
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Suspension system for a vehicle
- Patent number 5,129,672
- Issue date Jul 14, 1992
- NHK Spring Co., Ltd.
- Shuji Hiromoto
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Cushion and method of manufacturing the same
- Patent number 4,902,542
- Issue date Feb 20, 1990
- NHK Spring Co. Ltd.
- Takeshi Minegishi
- B68 - SADDLERY UPHOLSTERY
Information Patent Grant
FRP plate and process for manufacturing the same
- Patent number 4,753,835
- Issue date Jun 28, 1988
- NHK Spring Co., Ltd.
- Atsushi Misumi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Metal matrix composite and piston using the same
- Publication number 20010028948
- Publication date Oct 11, 2001
- NHK Spring Co., Ltd.
- Toshihiro Takehana
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...