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Tsutomu Harada
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Settsu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Press machine and method for producing magnet
Patent number
7,604,468
Issue date
Oct 20, 2009
Hitachi Metals, Ltd.
Tsutomu Harada
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Production method for permanent magnet and press device
Patent number
7,371,290
Issue date
May 13, 2008
Neomax Co., Ltd.
Shuji Mino
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Press and magnet manufacturing method
Patent number
7,314,530
Issue date
Jan 1, 2008
Neomax Co., Ltd.
Tsutomu Harada
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method and apparatus for producing compact of rare earth alloy powd...
Patent number
6,756,010
Issue date
Jun 29, 2004
Sumitomo Special Metals Co., Ltd.
Tsutomu Harada
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Powder pressing apparatus and powder pressing method
Patent number
6,649,124
Issue date
Nov 18, 2003
Sumitomo Special Metals Co., Ltd.
Seiichi Kohara
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Powder compacting apparatus and method of making rare-earth alloy m...
Patent number
6,599,468
Issue date
Jul 29, 2003
Sumitomo Special Metals Co., Ltd.
Shuichi Okuyama
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Powder pressing apparatus and powder pressing method
Patent number
6,482,349
Issue date
Nov 19, 2002
Sumitomo Special Metals Co., Ltd.
Seiichi Kohara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and apparatus for producing compact of rare earth alloy powd...
Patent number
6,432,158
Issue date
Aug 13, 2002
Sumitomo Special Metals Co., Ltd.
Tsutomu Harada
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rare-earth alloy powder pressing apparatus and rare-earth alloy pow...
Patent number
6,352,598
Issue date
Mar 5, 2002
Sumitomo Special Metals Co., Ltd.
Tsuyoshi Hisamura
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
Press machine and method for producing magnet
Publication number
20070264374
Publication date
Nov 15, 2007
Tsutomu Harada
B30 - PRESSES
Information
Patent Application
Press and magnet manufacturing method
Publication number
20040244872
Publication date
Dec 9, 2004
Tsutomu Harada
B30 - PRESSES
Information
Patent Application
Method and apparatus for producing compact of rare earth alloy powd...
Publication number
20040206423
Publication date
Oct 21, 2004
Sumitomo Special Metals Co., Ltd.
Tsutomu Harada
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Production method for permanent magnet and press device
Publication number
20040112467
Publication date
Jun 17, 2004
Shuji Mino
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Powder pressing apparatus and powder pressing method
Publication number
20020175439
Publication date
Nov 28, 2002
Sumitomo Special Metals Co. Ltd.
Seiichi Kohara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method and apparatus for producing compact of rare earth alloy powd...
Publication number
20020153061
Publication date
Oct 24, 2002
SUMITOMO SPECIAL METALS CO., LTD.
Tsutomu Harada
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Powder compacting apparatus and method of making rare-earth alloy m...
Publication number
20020018730
Publication date
Feb 14, 2002
Shuichi Okuyama
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Powder pressing apparatus and powder pressing method
Publication number
20020006348
Publication date
Jan 17, 2002
SUMITOMO SPECIAL METALS CO., LTD.
Seiichi Kohara
B22 - CASTING POWDER METALLURGY