Hiroshi Sekine

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing steel product and production facility therefor
- Patent number 7,857,919
- Issue date Dec 28, 2010
- JFE Steel Corporation
- Yoshitsugu Iijima
- C21 - METALLURGY OF IRON
Information Patent Grant
Heat treatment apparatus, heat treatment method, medium on which he...
- Patent number 6,891,139
- Issue date May 10, 2005
- JFE Steel Corporation
- Yoshitsugu Iijima
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Plate reduction press apparatus and methods
- Patent number 6,467,323
- Issue date Oct 22, 2002
- Ishikawajma-Harima Heavy Industries, Co., LTD
- Shigeki Narushima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Induction heater with a unit for preventing generation of sparks
- Patent number 6,285,015
- Issue date Sep 4, 2001
- Kabushiki Kaisha Toshiba
- Tetsuji Doizaki
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for making hot-rolled steel sheet and apparatus therefor
- Patent number 5,927,118
- Issue date Jul 27, 1999
- NKK Corporation
- Toru Minote
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Process for producing steel product and production facility therefor
- Publication number 20050252587
- Publication date Nov 17, 2005
- Yoshitsugu Iijima
- C21 - METALLURGY OF IRON
Information Patent Application
Heat treatment apparatus, heat treatment method, medium on which he...
- Publication number 20040164071
- Publication date Aug 26, 2004
- JFE STEEL CORPORATION
- Yoshitsugu Iijima
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Plate reduction press apparatus and methods
- Publication number 20030192360
- Publication date Oct 16, 2003
- Ishikawajima-Harima Heavy Industries Co., Ltd.
- Shigeki Narushima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Plate reduction press apparatus and methods
- Publication number 20030188559
- Publication date Oct 9, 2003
- Ishikawajima-Harima Heavy Industries Co., Ltd.
- Shigeki Narushima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Plate reduction press apparatus and methods
- Publication number 20020104356
- Publication date Aug 8, 2002
- Ishikawajima-Harima Heavy Industries Co., Ltd.
- Shigeki Narushima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...