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Tadayuki Tsutsui
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Matsudo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sintered gear
Patent number
7,556,864
Issue date
Jul 7, 2009
Hitachi Powdered Metals Co., Ltd.
Yuji Yamanishi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Sintered sprocket for silent chain and production method therefor
Patent number
7,309,465
Issue date
Dec 18, 2007
Nissan Motor Co., Ltd.
Akira Fujiki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Mechanical fuse and method of manufacturing the same
Patent number
7,156,743
Issue date
Jan 2, 2007
Hitachi Powdered Metals Co., Ltd.
Tadayuki Tsutsui
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Mechanical fuse and production method for the same
Patent number
7,078,112
Issue date
Jul 18, 2006
Hitachi Powdered Metals Co., Ltd.
Takashi Suzuki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Sintered sprocket for silent chain and production method therefor
Patent number
7,041,149
Issue date
May 9, 2006
Nissan Motor Co., Ltd.
Akira Fujiki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Good machinability Fe-based sintered alloy and process of manufactu...
Patent number
6,228,138
Issue date
May 8, 2001
Hitachi Powdered Metals Co., Ltd.
Yuuji Yamanishi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Fe-based sintered alloy manufacturing process, Fe-based sintered al...
Patent number
5,967,110
Issue date
Oct 19, 1999
Hitachi Powered Metals Co., Ltd.
Tadayuki Tsutsui
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Manufacturing process of sintered iron alloy improved in machinabil...
Patent number
5,819,154
Issue date
Oct 6, 1998
Hitachi Powdered Metal Co., Ltd.
Bo Hu
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing ferrous sintered alloy having quenched structure
Patent number
5,682,588
Issue date
Oct 28, 1997
Hitachi Powdered Metals Co., Ltd.
Tadayuki Tsutsui
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Sintered machine part and method
Patent number
5,049,183
Issue date
Sep 17, 1991
Hitachi Powdered Metals Co., Ltd.
Tsutomu Saka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
BRAZING FILLER MATERIAL FOR BONDING IRON-BASED SINTERED MEMBER, AND...
Publication number
20210339345
Publication date
Nov 4, 2021
Showa Denko Materials Co., Ltd.
Hiroshi OHMORI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
POWDER MIXTURE
Publication number
20140230603
Publication date
Aug 21, 2014
Hitachi Chemical Company, Ltd.
Masaki YANAKA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
IRON-BASED SINTERED MATERIAL
Publication number
20120028031
Publication date
Feb 2, 2012
Hitachi, Ltd.
Shizuka YAMAGUCHI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING SINTERED COMPACT BY POWDER METALLURGY
Publication number
20110176950
Publication date
Jul 21, 2011
JFE STEEL CORPORATION
Shigeru Unami
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Sintered sprocket for silent chain and production method therefor
Publication number
20060171838
Publication date
Aug 3, 2006
Nissan Motor Co., Ltd.
Akira Fujiki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Sintered gear
Publication number
20050272545
Publication date
Dec 8, 2005
Yuji Yamanishi
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Sintered sprocket for silent chain and production method therefor
Publication number
20050039575
Publication date
Feb 24, 2005
Nissan Motor Co., Ltd.
Akira Fujiki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Sintered sprocket for silent chain and production method therefor
Publication number
20050028641
Publication date
Feb 10, 2005
Nissan Motor Co., Ltd.
Akira Fujiki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Mechanical fuse and production method for the same
Publication number
20050014016
Publication date
Jan 20, 2005
Hitachi Powdered Metals Co., Ltd.
Takashi Suzuki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Mechanical fuse and method of manufacturing the same
Publication number
20020092146
Publication date
Jul 18, 2002
Hitachi Powdered Metals Co., Ltd.
Tadayuki Tsutsui
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...