Nobuo OTSUKA

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Nishinomiya-shi, Hyogo-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cu—Sn coexisting steel and method for manufacturing the same
- Patent number 10,046,383
- Issue date Aug 14, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Naotsugu Yoshida
- C21 - METALLURGY OF IRON
Information Patent Grant
Austenitic stainless steel
- Patent number 9,150,947
- Issue date Oct 6, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Yoshitaka Nishiyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metal material having good resistance to metal dusting
- Patent number 6,623,869
- Issue date Sep 23, 2003
- Yoshitaka Nishiyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High-temperature stainless steel and method for its production
- Patent number 5,824,264
- Issue date Oct 20, 1998
- Sumitomo Metal Industries, Ltd.
- Hideki Uno
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Corrosion-resistant alloy heat transfer tubes for heat-recovery boi...
- Patent number 5,378,427
- Issue date Jan 3, 1995
- Sumitomo Metal Industries, Ltd.
- Nobuo Otsuka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Cu-Sn COEXISTING STEEL AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20160201171
- Publication date Jul 14, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Naotsugu YOSHIDA
- C21 - METALLURGY OF IRON
Information Patent Application
Metal material having excellent metal dusting resistance
- Publication number 20080279716
- Publication date Nov 13, 2008
- Yoshitaka Nishiyama
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Austenitic stainless steel
- Publication number 20080107559
- Publication date May 8, 2008
- Yoshitaka Nishiyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...