Takashi YAJIMA

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hollow seamless pipe for high-strength spring
- Patent number 9,429,255
- Issue date Aug 30, 2016
- Kobe Steel, Ltd.
- Takuya Kochi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for heat treatment of coiled spring
- Patent number 8,460,483
- Issue date Jun 11, 2013
- NHK Spring Co., Ltd.
- Takashi Yajima
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HOLLOW SEAMLESS PIPE FOR HIGH-STRENGTH SPRING
- Publication number 20150285410
- Publication date Oct 8, 2015
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd)
- Takuya Kochi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR HEAT TREATMENT OF COILED SPRING
- Publication number 20110232810
- Publication date Sep 29, 2011
- NHK Spring Co., Ltd.
- Takashi YAJIMA
- C21 - METALLURGY OF IRON