Shuji Okaguchi

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Osaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-tensile steel plate, welded steel pipe or tube, and methods of...
- Patent number 8,177,925
- Issue date May 15, 2012
- Sumitomo Metal Industries, Ltd.
- Nobuaki Takahashi
- C21 - METALLURGY OF IRON
Information Patent Grant
High-tensile-strength steel and method of manufacturing the same
- Patent number 6,245,290
- Issue date Jun 12, 2001
- Exxonmobil Upstream Research Company
- Jayoung Koo
- C21 - METALLURGY OF IRON
Information Patent Grant
High-toughness, high-tensile-strength steel and method of manufactu...
- Patent number 6,183,573
- Issue date Feb 6, 2001
- Sumitomo Metal Industries, Ltd.
- Kazuki Fujiwara
- C21 - METALLURGY OF IRON
Information Patent Grant
High-toughness, high-tensile-strength steel and method of manufactu...
- Patent number 6,045,630
- Issue date Apr 4, 2000
- Sumitomo Metal Industries, Ltd.
- Kazuki Fujiwara
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
High-Tensile Steel Plate, Welded Steel Pipe or Tube, and Methods of...
- Publication number 20090297872
- Publication date Dec 3, 2009
- Sumitomo Metal Industries, Ltd.
- Nobuaki Takahashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Steel plate for submerged arc welding
- Publication number 20090022619
- Publication date Jan 22, 2009
- Masahiko Hamada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
High-strength welded steel pipe
- Publication number 20070289655
- Publication date Dec 20, 2007
- Masahiko Hamada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR