Tadashi Kawakami

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Double-walled tube with interface gap and production method therefor
- Patent number 9,153,348
- Issue date Oct 6, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Atsuro Iseda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
High-carbon chromium bearing steel and production method of the same
- Patent number 8,808,470
- Issue date Aug 19, 2014
- Nippon Steel & Sumitomo Metal Corporation
- Syunichi Ootsuka
- C21 - METALLURGY OF IRON
Information Patent Grant
Plug for cold drawing and method for manufacturing of metal pipe
- Patent number 8,074,482
- Issue date Dec 13, 2011
- Sumitomo Metal Industries, Ltd.
- Tatsuya Okui
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR STRAIGHTENING
- Publication number 20130327110
- Publication date Dec 12, 2013
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Kazuhiro Uchida
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HIGH-CARBON CHROMIUM BEARING STEEL AND PRODUCTION METHOD OF THE SAME
- Publication number 20130263972
- Publication date Oct 10, 2013
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Syunichi Ootsuka
- C21 - METALLURGY OF IRON
Information Patent Application
DOUBLE-WALLED TUBE WITH INTERFACE GAP AND PRODUCTION METHOD THEREFOR
- Publication number 20130070889
- Publication date Mar 21, 2013
- Atsuro Iseda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HIGH-TEMPERATURE MATERIAL TRANSFERRING MEMBER
- Publication number 20120282480
- Publication date Nov 8, 2012
- Sumitomo Metal Industries, Ltd.
- Yoshitaka Nishiyama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Plug for Cold Drawing and Method for Manufacturing of Metal Pipe
- Publication number 20100170316
- Publication date Jul 8, 2010
- Sumitomo Metal Industries, Ltd.
- Tatsuya Okui
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...