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Naoya Hirase
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Production method of seamless tube using round bar made of high Cr-...
Patent number
9,468,959
Issue date
Oct 18, 2016
Nippon Steel & Sumitomo Metal Corporation
Naoya Hirase
C21 - METALLURGY OF IRON
Information
Patent Grant
Lubricant composition for hot metal working and method of hot metal...
Patent number
8,863,564
Issue date
Oct 21, 2014
Sumitomo Metal Industries, Ltd.
Kazuhiro Shimoda
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing duplex stainless steel seamless pipe
Patent number
8,613,817
Issue date
Dec 24, 2013
Nippon Steel & Sumitomo Metal Corporation
Naoya Hirase
C21 - METALLURGY OF IRON
Information
Patent Grant
Piercing mill
Patent number
8,104,316
Issue date
Jan 31, 2012
Sumitomo Metal Industries, Ltd.
Naoya Hirase
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Piercing and rolling plug, method of regenerating such piercing and...
Patent number
8,082,768
Issue date
Dec 27, 2011
Sumitomo Metal Industries, Ltd.
Yasuyoshi Hidaka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of manufacturing plug used to pierce and roll metal material...
Patent number
8,065,900
Issue date
Nov 29, 2011
Sumitomo Metal Industries, Ltd.
Yasuyoshi Hidaka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for manufacturing seamless steel pipe made of high Cr-high N...
Patent number
7,866,199
Issue date
Jan 11, 2011
Sumitomo Metal Industries, Ltd.
Naoya Hirase
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for Cr-plating of mandrel bars, the mandrel bar, and process...
Patent number
7,814,771
Issue date
Oct 19, 2010
Sumitomo Metal Industries, Ltd.
Naoya Hirase
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
PRODUCTION METHOD OF ROUND BAR FOR SEAMLESS TUBE MADE OF HIGH Cr-HI...
Publication number
20130263436
Publication date
Oct 10, 2013
NIPPON STEEL & SUMITOMO METAL CORPORATION
Naoya Hirase
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR CR-PLATING OF MANDREL BARS, THE MANDREL BAR, AND PROCESS...
Publication number
20100139352
Publication date
Jun 10, 2010
Sumitomo Metal Industries, Ltd.
Naoya Hirase
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Piercing and Rolling Plug, Method of Regenerating Such Piercing and...
Publication number
20100050723
Publication date
Mar 4, 2010
Sumitomo Metal Industries, Ltd.
Yasuyoshi Hidaka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD OF MANUFACTURING PLUG USED TO PIERCE AND ROLL METAL MATERIAL...
Publication number
20100018281
Publication date
Jan 28, 2010
Sumitomo Metal Industries, Ltd.
YASUYOSHI HIDAKA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PIERCING MILL
Publication number
20100011831
Publication date
Jan 21, 2010
Naoya Hirase
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for manufacturing seamless steel pipe made of high Cr-high N...
Publication number
20100000281
Publication date
Jan 7, 2010
Naoya Hirase
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
LUBRICANT COMPOSITION FOR HOT METAL WORKING AND METHOD OF HOT METAL...
Publication number
20090301151
Publication date
Dec 10, 2009
Sumitomo Metal Industries, Ltd.
Kazuhiro Shimoda
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for Producing Duplex Stainless Steel Seamless Pipe
Publication number
20090218014
Publication date
Sep 3, 2009
Naoya Hirase
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...