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Shinichi Konno
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Fine silver particle dispersing solution
Patent number
11,180,672
Issue date
Nov 23, 2021
Dowa Electronics Materials Co., Ltd.
Shingo Teragawa
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Booster antenna and method for producing same
Patent number
9,537,202
Issue date
Jan 3, 2017
Dowa Electronics Materials Co. Ltd.
Daisuke Itoh
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of producing magnetic powder for magnetic recording medium
Patent number
8,852,314
Issue date
Oct 7, 2014
Dowa Electronics Materials Co., Ltd.
Shinichi Konno
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Iron compound particles and magnetic recording medium using same
Patent number
7,641,990
Issue date
Jan 5, 2010
Dowa Electronics Materials Co., Ltd.
Shinichi Konno
G11 - INFORMATION STORAGE
Information
Patent Grant
Ferromagnetic powder for a magnetic recording medium, method of pro...
Patent number
7,473,469
Issue date
Jan 6, 2009
Dowa Electronics Materials Co., Ltd.
Shinichi Konno
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Nonmagnetic powder comprising acicular iron and having specific por...
Patent number
7,357,980
Issue date
Apr 15, 2008
Dowa Electronics Materials Co., Ltd.
Shinichi Konno
G11 - INFORMATION STORAGE
Information
Patent Grant
Particle for lower layer of coating type magnetic recording medium
Patent number
6,171,692
Issue date
Jan 9, 2001
Dowa Mining Co., Ltd.
Seiichi Hisano
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Particles for lower layer of coating type magnetic recording medium
Patent number
6,040,043
Issue date
Mar 21, 2000
Dowa Mining Co., Ltd.
Seiichi Hisano
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Coating type magnetic recording medium having a multilayer structure
Patent number
5,902,676
Issue date
May 11, 1999
Dowa Mining Co., Ltd.
Seiichi Hisano
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
FINE SILVER PARTICLE DISPERSING SOLUTION
Publication number
20180179409
Publication date
Jun 28, 2018
DOWA ELECTRONICS MATERIALS CO., LTD.
Shingo Teragawa
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SILVER CONDUCTIVE FILM AND METHOD FOR PRODUCING SAME
Publication number
20150364814
Publication date
Dec 17, 2015
DOWA ELECTRONICS MATERIALS CO., LTD.
Hidefumi Fujita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
BOOSTER ANTENNA AND METHOD FOR PRODUCING SAME
Publication number
20150102964
Publication date
Apr 16, 2015
DOWA ELECTRONICS MATERIALS CO., LTD.
Daisuke Itoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF PRODUCING MAGNETIC POWDER FOR MAGNETIC RECORDING MEDIUM
Publication number
20110147642
Publication date
Jun 23, 2011
DOWA ELECTRONICS MATERIALS CO., LTD.
Shinichi KONNO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
ITO powder and method for manufacturing same, coating material for...
Publication number
20080047466
Publication date
Feb 28, 2008
DOWA ELECTRONICS MATERIALS CO., LTD.
Koji Tanoue
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Ferromagnetic powder for a magnetic recording medium, method of pro...
Publication number
20070148501
Publication date
Jun 28, 2007
Shinichi Konno
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Magnetic powder for magnetic recording medium
Publication number
20070087229
Publication date
Apr 19, 2007
Shinichi Konno
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Iron compound particles and magnetic recording medium using same
Publication number
20070009737
Publication date
Jan 11, 2007
Shinichi Konno
G11 - INFORMATION STORAGE
Information
Patent Application
Powder for lower layer of application type of layered magnetic reco...
Publication number
20060166040
Publication date
Jul 27, 2006
Shinichi Konno
G11 - INFORMATION STORAGE
Information
Patent Application
Nonmagnetic powder for a magnetic recording medium, method of manuf...
Publication number
20060040141
Publication date
Feb 23, 2006
Shinichi Konno
G11 - INFORMATION STORAGE