Koichi Tamatsu

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hollow stabilizer and method of manufacturing the same
- Patent number 7,896,983
- Issue date Mar 1, 2011
- NHK Spring Co., Ltd.
- Hiroshi Koyama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hollow stabilizer
- Patent number 6,871,865
- Issue date Mar 29, 2005
- NHK Spring Co., Ltd.
- Tsutomu Furuyama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Ball joint and assembling method therefor
- Patent number 6,736,565
- Issue date May 18, 2004
- NHK Spring Co., Ltd.
- Koichi Tamatsu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Hollow stabilizer and method of manufacturing the same
- Publication number 20060200990
- Publication date Sep 14, 2006
- NHK SPRING CO., LTD
- Hiroshi Koyama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Hollow stabilizer
- Publication number 20030075895
- Publication date Apr 24, 2003
- Tsutomu Furuyama
- B60 - VEHICLES IN GENERAL
Information Patent Application
Ball joint and assembling method therefor
- Publication number 20030049072
- Publication date Mar 13, 2003
- Koichi Tamatsu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hollow stabilizer and method of manufacturing the same
- Publication number 20020170177
- Publication date Nov 21, 2002
- Hiroshi Koyama
- B60 - VEHICLES IN GENERAL