Toshio Hamano

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Compression coil spring and manufacturing device and manufacturing...
- Patent number 8,695,956
- Issue date Apr 15, 2014
- NHK Spring Co., Ltd.
- Toshio Hamano
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Compression coil spring device having a discrete support
- Patent number 7,963,510
- Issue date Jun 21, 2011
- NHK Spring Co., Ltd.
- Masahiro Umezawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Wheel suspension system and spring therefor
- Patent number 6,460,835
- Issue date Oct 8, 2002
- NHK Spring Co., Ltd.
- Toshio Hamano
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Coil spring device
- Patent number 5,092,568
- Issue date Mar 3, 1992
- NHK Spring Co., Ltd.
- Toshihiro Tachikawa
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
COMPRESSION COIL SPRING AND MANUFACTURING DEVICE AND MANUFACTURING...
- Publication number 20120013059
- Publication date Jan 19, 2012
- NHK Spring Co., Ltd.
- Toshio Hamano
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Compression coil spring device having a discrete support
- Publication number 20070176340
- Publication date Aug 2, 2007
- Masahiro Umezawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Compression coil spring device having discontinuous support structure
- Publication number 20050051937
- Publication date Mar 10, 2005
- Masahiro Umezawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...