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Masanobu Shimao
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Echizen-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Production method for rare earth permanent magnet
Patent number
10,181,377
Issue date
Jan 15, 2019
Shin-Etsu Chemical Co., Ltd.
Yoshifumi Nagasaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Production method for rare earth permanent magnet
Patent number
10,179,955
Issue date
Jan 15, 2019
Shin-Etsu Chemical Co., Ltd.
Yoshifumi Nagasaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Production method for rare earth permanent magnet
Patent number
10,138,564
Issue date
Nov 27, 2018
Shin-Etsu Chemical Co., Ltd.
Yoshifumi Nagasaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Functionally graded rare earth permanent magnet
Patent number
7,520,941
Issue date
Apr 21, 2009
Shin-Etsu Chemical Co., Ltd.
Hajime Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rare earth permanent magnet
Patent number
7,488,394
Issue date
Feb 10, 2009
Shin-Etsu Chemical Co., Ltd.
Hajime Nakamura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rare earth permanent magnet
Patent number
7,488,393
Issue date
Feb 10, 2009
Shin-Etsu Chemical Co., Ltd.
Hajime Nakamura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Functionally graded rare earth permanent magnet
Patent number
7,488,395
Issue date
Feb 10, 2009
Shin-Etsu Chemical Co., Ltd.
Hajime Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Iron alloy strip for voice coil motor magnetic circuits
Patent number
6,942,741
Issue date
Sep 13, 2005
Shin-Etsu Chemical Co., Ltd.
Masanobu Shimao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Preparation of rare earth permanent magnets
Patent number
6,746,545
Issue date
Jun 8, 2004
Shin-Etsu Chemical Co., Ltd.
Kazuo Tamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Sintered rare earth magnet and making method
Patent number
6,623,541
Issue date
Sep 23, 2003
Shin-Etsu Chemical Co., Ltd.
Kazuaki Sakaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Iron-based alloy sheet for magnetic yokes in hard-disk voice-coil m...
Patent number
6,547,889
Issue date
Apr 15, 2003
Shin-Etsu Chemical Co., Ltd.
Masanobu Shimao
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for the preparation of rare earth-base permanent magnet
Patent number
4,992,234
Issue date
Feb 12, 1991
Shin-Etsu Chemical Co., Ltd.
Ken Ohashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
PRODUCTION METHOD FOR RARE EARTH PERMANENT MAGNET
Publication number
20150211138
Publication date
Jul 30, 2015
Shin-Etsu Chemical Co., Ltd.
Yoshifumi Nagasaki
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
PRODUCTION METHOD FOR RARE EARTH PERMANENT MAGNET
Publication number
20150211139
Publication date
Jul 30, 2015
Shin-Etsu Chemical Co., Ltd.
Yoshifumi Nagasaki
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
PRODUCTION METHOD FOR RARE EARTH PERMANENT MAGNET
Publication number
20150206653
Publication date
Jul 23, 2015
Shin-Etsu Chemical Co., Ltd.
Yoshifumi Nagasaki
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
DRESSING AND MANUFACTURE OF OUTER BLADE CUTTING WHEEL
Publication number
20130174493
Publication date
Jul 11, 2013
Shin-Etsu Chemical Co., Ltd.
Harukazu Maegawa
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Corrosion-resistant magnetic circuit and voice coil motor or actuator
Publication number
20090224613
Publication date
Sep 10, 2009
Masanobu Shimao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Rare earth permanent magnet
Publication number
20060213584
Publication date
Sep 28, 2006
Shin-Etsu Chemical Co., Ltd.
Hajime Nakamura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Functionally graded rare earth permanent magnet
Publication number
20060213582
Publication date
Sep 28, 2006
Shin-Etsu Chemical Co., Ltd.
Hajime Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Rare earth permanent magnet
Publication number
20060213583
Publication date
Sep 28, 2006
Shin-Etsu Chemical Co., Ltd.
Hajime Nakamura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Functionally graded rare earth permanent magnet
Publication number
20060213585
Publication date
Sep 28, 2006
Shin-Etsu Chemical Co., Ltd.
Hajime Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Iron alloy strip for voice coil motor magnetic circuits
Publication number
20030034091
Publication date
Feb 20, 2003
Masanobu Shimao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Iron-based alloy sheet for magnetic yokes in hard-disk voice-coil m...
Publication number
20020102442
Publication date
Aug 1, 2002
Masanobu Shimao
G11 - INFORMATION STORAGE
Information
Patent Application
Sintered rare earth magnet and making method
Publication number
20020036031
Publication date
Mar 28, 2002
Shin-Etsu Chemical Co., Ltd.
Kazuaki Sakaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Preparation of rare earth permanent magnets
Publication number
20020033205
Publication date
Mar 21, 2002
Shin-Etsu Chemical Co., Ltd.
Kazuo Tamura
H01 - BASIC ELECTRIC ELEMENTS