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Takashi Tsuyumu
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Wako-Shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Heat-resisting steel for exhaust valves
Patent number
9,745,649
Issue date
Aug 29, 2017
Daido Steel Co., Ltd.
Mototsugu Osaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Raw material powder for laser clad valve seat and valve seat using...
Patent number
7,757,396
Issue date
Jul 20, 2010
Sanyo Special Steel Co., Ltd.
Toshiyuki Sawada
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
HEAT-RESISTING STEEL FOR EXHAUST VALVES
Publication number
20140212321
Publication date
Jul 31, 2014
Honda Motor Co., Ltd.
Mototsugu Osaki
C21 - METALLURGY OF IRON
Information
Patent Application
HEAT RESISTANT STEEL FOR EXHAUST VALVE
Publication number
20110236247
Publication date
Sep 29, 2011
DAIDO TOKUSHUKO KABUSHIKI KAISHA
Mototsugu Osaki
C21 - METALLURGY OF IRON
Information
Patent Application
Raw material powder for laser clad valve seat and valve seat using...
Publication number
20080083391
Publication date
Apr 10, 2008
SANYO SPECIAL STEEL CO., LTD.
Toshiyuki Sawada
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...