Hiroyasu Yokoyama

Person

Handa-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and equipment for manufacturing electric resistance welded s...
- Patent number 9,109,884
- Issue date Aug 18, 2015
- JFE Steel Corporation
- Tomohiro Inoue
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of manufacturing electric resistance welding pipe having exc...
- Patent number 9,000,320
- Issue date Apr 7, 2015
- JFE Steel Corporation
- Kazuhito Kenmochi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of manufacturing electric resistance welding pipes having ex...
- Patent number 8,912,462
- Issue date Dec 16, 2014
- JFE Steel Corporation
- Kazuhito Kenmochi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Quality control method and manufacturing method for pipe
- Patent number 8,578,580
- Issue date Nov 12, 2013
- JFE Steel Corporation
- Yukinori Iizuka
- G01 - MEASURING TESTING
Information Patent Grant
Ultrasonic flaw detection apparatus and ultrasonic flaw detection m...
- Patent number 8,393,217
- Issue date Mar 12, 2013
- JFE Steel Corporation
- Yukinori Iizuka
- G01 - MEASURING TESTING
Information Patent Grant
Electric resistance welded steel pipe with excellent weld toughness...
- Patent number 8,328,957
- Issue date Dec 11, 2012
- JFE Steel Corporation
- Hiroyasu Yokoyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Manufacturing equipment for electric resistance welding pipes havin...
- Patent number 8,296,932
- Issue date Oct 30, 2012
- JFE Steel Corporation
- Kazuhito Kenmochi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Calibration of an ultrasonic flaw detector and quality control and...
- Patent number 8,266,964
- Issue date Sep 18, 2012
- JFE Steel Corporation
- Yukinori Iizuka
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
CALIBRATION METHOD OF ULTRASONIC FLAW DETECTION AND QUALITY CONTROL...
- Publication number 20100107725
- Publication date May 6, 2010
- JFE STEEL CORPORATION
- Yukinori Iizuka
- G01 - MEASURING TESTING
Information Patent Application
ULTRASONIC FLAW DETECTION APPARATUS AND ULTRASONIC FLAW DETECTION M...
- Publication number 20100101326
- Publication date Apr 29, 2010
- JFE STEEL CORPORATION
- Yukinori Iizuka
- G01 - MEASURING TESTING
Information Patent Application
QUALITY CONTROL METHOD AND MANUFACTURING METHOD FOR PIPE
- Publication number 20100064495
- Publication date Mar 18, 2010
- JFE STEEL CORPORATION
- Yukinori Iizuka
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND EQUIPMENT FOR MANUFACTURING ELECTRIC RESISTANCE WELDED S...
- Publication number 20100059484
- Publication date Mar 11, 2010
- JFE STEEL CORPORATION
- Tomohiro Inoue
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRIC RESISTANCE WELDED STEEL PIPE WITH EXCELLENT WELD TOUGHNESS...
- Publication number 20100032048
- Publication date Feb 11, 2010
- JFE STEEL CORPORATION
- Hiroyasu Yokoyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method of Manufacturing Electric Resistance Welding Pipe Having Exc...
- Publication number 20090223935
- Publication date Sep 10, 2009
- Kazuhito Kenmochi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method of Manufacturing Electric Resistance Welding Pipes Having Ex...
- Publication number 20080230586
- Publication date Sep 25, 2008
- Kazuhito Kenmochi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Manufacturing Equipment of Electric Resistance Welding Pipes Having...
- Publication number 20080209715
- Publication date Sep 4, 2008
- Kazuhito Kenmochi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Hiroyasu Yokoyama

Person

Patents Grantslast 30 patents

Method and equipment for manufacturing electric resistance welded s...

Method of manufacturing electric resistance welding pipe having exc...

Method of manufacturing electric resistance welding pipes having ex...

Quality control method and manufacturing method for pipe

Ultrasonic flaw detection apparatus and ultrasonic flaw detection m...

Electric resistance welded steel pipe with excellent weld toughness...

Manufacturing equipment for electric resistance welding pipes havin...

Calibration of an ultrasonic flaw detector and quality control and...

Patents Applicationslast 30 patents

CALIBRATION METHOD OF ULTRASONIC FLAW DETECTION AND QUALITY CONTROL...

ULTRASONIC FLAW DETECTION APPARATUS AND ULTRASONIC FLAW DETECTION M...

QUALITY CONTROL METHOD AND MANUFACTURING METHOD FOR PIPE

METHOD AND EQUIPMENT FOR MANUFACTURING ELECTRIC RESISTANCE WELDED S...

ELECTRIC RESISTANCE WELDED STEEL PIPE WITH EXCELLENT WELD TOUGHNESS...

Method of Manufacturing Electric Resistance Welding Pipe Having Exc...

Method of Manufacturing Electric Resistance Welding Pipes Having Ex...

Manufacturing Equipment of Electric Resistance Welding Pipes Having...