Tetsumi Kondo

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Integrally formed flanged metal pipe and method of manufacturing th...
- Patent number 7,490,631
- Issue date Feb 17, 2009
- Nippon Steel Corporation
- Tetsumi Kondo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Integrally formed flanged metal pipe and method of manufacturing th...
- Patent number 7,418,850
- Issue date Sep 2, 2008
- Nippon Steel Corporation
- Tetsumi Kondo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Joining structure
- Patent number 7,182,543
- Issue date Feb 27, 2007
- Nippon Steel Corporation
- Tetsumi Kondo
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Joining structure
- Patent number 6,857,808
- Issue date Feb 22, 2005
- Nippon Steel Corporation
- Masakazu Sugimoto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Integrally formed flanged metal pipe and method of manufacturing th...
- Publication number 20070245792
- Publication date Oct 25, 2007
- Tetsumi Kondo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Integrally formed flanged metal pipe and method of manufacturing th...
- Publication number 20050275223
- Publication date Dec 15, 2005
- Nippon Steel Corporation
- Tetsumi Kondo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Joining structure
- Publication number 20050028478
- Publication date Feb 10, 2005
- Tetsumi Kondo
- E04 - BUILDING