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Hiroaki NAGATA
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Echizen-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Rare earth permanent magnets and their preparation
Patent number
11,791,093
Issue date
Oct 17, 2023
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rare earth permanent magnets and their preparation
Patent number
11,482,377
Issue date
Oct 25, 2022
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rare earth permanent magnets and their preparation
Patent number
10,614,952
Issue date
Apr 7, 2020
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rare earth magnet and its preparation
Patent number
10,160,037
Issue date
Dec 25, 2018
Shin-Etsu Chemical Co., Ltd.
Tadao Nomura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rare earth sintered magnet and making method
Patent number
10,074,477
Issue date
Sep 11, 2018
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
C21 - METALLURGY OF IRON
Information
Patent Grant
Rare earth magnet and its preparation
Patent number
9,044,810
Issue date
Jun 2, 2015
Shin-Etsu Chemical Co., Ltd.
Tadao Nomura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rare earth permanent magnet and its preparation
Patent number
8,557,057
Issue date
Oct 15, 2013
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rare earth permanent magnet and its preparation
Patent number
8,277,578
Issue date
Oct 2, 2012
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rare earth permanent magnet and its preparation
Patent number
8,252,123
Issue date
Aug 28, 2012
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rare earth permanent magnet and its preparation
Patent number
8,025,744
Issue date
Sep 27, 2011
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rare earth permanent magnet and its preparation
Patent number
7,985,303
Issue date
Jul 26, 2011
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rare earth permanent magnet and a method for manufacture thereof
Patent number
5,057,165
Issue date
Oct 15, 1991
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
RARE EARTH PERMANENT MAGNETS AND THEIR PREPARATION
Publication number
20200203069
Publication date
Jun 25, 2020
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
B22 - CASTING POWDER METALLURGY
Information
Patent Application
RARE EARTH PERMANENT MAGNETS AND THEIR PREPARATION
Publication number
20200194171
Publication date
Jun 18, 2020
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
B22 - CASTING POWDER METALLURGY
Information
Patent Application
RARE EARTH PERMANENT MAGNETS AND THEIR PREPARATION
Publication number
20200194170
Publication date
Jun 18, 2020
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
B22 - CASTING POWDER METALLURGY
Information
Patent Application
RARE EARTH PERMANENT MAGNETS AND THEIR PREPARATION
Publication number
20170186534
Publication date
Jun 29, 2017
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
B32 - LAYERED PRODUCTS
Information
Patent Application
RARE EARTH SINTERED MAGNET AND MAKING METHOD
Publication number
20170098503
Publication date
Apr 6, 2017
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
C21 - METALLURGY OF IRON
Information
Patent Application
R-FE-B SINTERED MAGNET AND MAKING METHOD
Publication number
20160293303
Publication date
Oct 6, 2016
Shin-Etsu Chemical Co., Ltd.
Koichi Hirota
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
R-FE-B SINTERED MAGNET AND MAKING METHOD
Publication number
20160293307
Publication date
Oct 6, 2016
Shin-Etsu Chemical Co., Ltd.
Koichi Hirota
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
R-FE-B SINTERED MAGNET AND MAKING METHOD
Publication number
20160293304
Publication date
Oct 6, 2016
Shin-Etsu Chemical Co., Ltd.
Koichi Hirota
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RARE EARTH MAGNET AND ITS PREPARATION
Publication number
20150093501
Publication date
Apr 2, 2015
Shin-Etsu Chemical Co., Ltd.
Tadao Nomura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RARE EARTH SINTERED MAGNET AND MAKING METHOD
Publication number
20130271248
Publication date
Oct 17, 2013
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE EARTH PERMANENT MAGNETS AND THEIR PREPARATION
Publication number
20120280775
Publication date
Nov 8, 2012
Shin-Etsu Chemical Co., Ltd.
Hiroaki Nagata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE EARTH PERMANENT MAGNET AND ITS PREPARATION
Publication number
20110090032
Publication date
Apr 21, 2011
Shin-Etsu Chemical Co., Ltd.
Hiroaki NAGATA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE EARTH PERMANENT MAGNET AND ITS PREPARATION
Publication number
20110036457
Publication date
Feb 17, 2011
Shin-Etsu Chemical Co., Ltd.
Hiroaki NAGATA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE EARTH PERMANENT MAGNET AND ITS PREPARATION
Publication number
20110036460
Publication date
Feb 17, 2011
Shin-Etsu Chemical Co., Ltd.
Hiroaki NAGATA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE EARTH PERMANENT MAGNET AND ITS PREPARATION
Publication number
20110036458
Publication date
Feb 17, 2011
Shin-Etsu Chemical Co., Ltd.
Hiroaki NAGATA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE EARTH PERMANENT MAGNET AND ITS PREPARATION
Publication number
20110036459
Publication date
Feb 17, 2011
Shin-Etsu Chemical Co., Ltd.
Hiroaki NAGATA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE EARTH MAGNET AND ITS PREPARATION
Publication number
20110000586
Publication date
Jan 6, 2011
Shin-Etsu Chemical Co., Ltd.
Tadao Nomura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE EARTH PERMANENT MAGNET AND ITS PREPARATION
Publication number
20080223489
Publication date
Sep 18, 2008
Shin-Etsu Chemical Co., Ltd.
Hiroaki NAGATA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...