Futoshi Kuniyoshi

Person

Mishima-gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
R-T-B sintered magnet
- Patent number 11,823,824
- Issue date Nov 21, 2023
- PROTERIAL, LTD.
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing R-T-B sintered magnet
- Patent number 11,738,390
- Issue date Aug 29, 2023
- PROTERIAL, LTD.
- Futoshi Kuniyoshi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered R-T-B based magnet
- Patent number 11,239,011
- Issue date Feb 1, 2022
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing R-T-B system sintered magnet
- Patent number 11,177,069
- Issue date Nov 16, 2021
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
R-T-B sintered magnet
- Patent number 11,174,537
- Issue date Nov 16, 2021
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing sintered R-T-B based magnet and diffusion source
- Patent number 11,062,843
- Issue date Jul 13, 2021
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing R-T-B sintered magnet
- Patent number 11,037,724
- Issue date Jun 15, 2021
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing sintered R—T—B based magnet and diffusion source
- Patent number 10,984,930
- Issue date Apr 20, 2021
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
R-T-B-based sintered magnet and method for producing same
- Patent number 10,923,256
- Issue date Feb 16, 2021
- Hitachi Metals, Ltd.
- Teppei Satoh
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
R-T-B based sintered magnet
- Patent number 10,847,290
- Issue date Nov 24, 2020
- Hitachi Metals, Ltd.
- Takeshi Nishiuchi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing R-T-B based sintered magnet
- Patent number 10,658,108
- Issue date May 19, 2020
- Hitachi Metals, Ltd.
- Ryouichi Yamagata
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Diffusion treatment device and method for manufacturing R-T-B syste...
- Patent number 10,639,720
- Issue date May 5, 2020
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing R-T-B sintered magnet
- Patent number 10,643,789
- Issue date May 5, 2020
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing R-T-B based sintered magnet
- Patent number 10,446,306
- Issue date Oct 15, 2019
- Hitachi Metals, Ltd.
- Teppei Satoh
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
R-T-B based sintered magnet and method for producing R-T-B based si...
- Patent number 10,388,442
- Issue date Aug 20, 2019
- Hitachi Metals, Ltd.
- Rintaro Ishii
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for manufacturing R-T-B based sintered magnet
- Patent number 10,242,781
- Issue date Mar 26, 2019
- Hitachi Metals, Ltd.
- Teppei Satoh
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for manufacturing R-T-B based sintered magnet
- Patent number 10,217,562
- Issue date Feb 26, 2019
- Hitachi Metals, Ltd.
- Ryouichi Yamagata
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
R-T-B sintered magnet
- Patent number 9,837,193
- Issue date Dec 5, 2017
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
RH diffusion source, and method for producing R-T-B-based sintered...
- Patent number 9,613,748
- Issue date Apr 4, 2017
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing R-T-B sintered magnet
- Patent number 9,484,151
- Issue date Nov 1, 2016
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing R-T-B sintered magnet
- Patent number 9,478,332
- Issue date Oct 25, 2016
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for production of R-T-B based sintered magnets and R-T-B ba...
- Patent number 9,415,444
- Issue date Aug 16, 2016
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing R-T-B-based sintered magnets
- Patent number 9,368,276
- Issue date Jun 14, 2016
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Treatment device
- Patent number 9,324,494
- Issue date Apr 26, 2016
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- C21 - METALLURGY OF IRON
Information Patent Grant
R-T-B sintered magnet manufacturing method
- Patent number 9,293,252
- Issue date Mar 22, 2016
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Alloy for sintered R-T-B-M magnet and method for producing same
- Patent number 8,317,937
- Issue date Nov 27, 2012
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B-type sintered magnet and method for production thereof
- Patent number 8,317,941
- Issue date Nov 27, 2012
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing R-T-B sintered magnet
- Patent number 8,287,661
- Issue date Oct 16, 2012
- Hitachi Metals, Ltd.
- Rintaro Ishii
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B sintered magnet and method for producing the same
- Patent number 8,142,573
- Issue date Mar 27, 2012
- Hitachi Metals, Ltd.
- Hiroya Kobayashi
- C21 - METALLURGY OF IRON
Information Patent Grant
R-T-Cu-Mn-B type sintered magnet
- Patent number 8,092,619
- Issue date Jan 10, 2012
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20240363272
- Publication date Oct 31, 2024
- Proterial, Ltd.
- Futoshi KUNIYOSHI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
SINTERED R-T-B BASED MAGNET
- Publication number 20240212895
- Publication date Jun 27, 2024
- Proterial, Ltd.
- Futoshi KUNIYOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING R-T-B BASED SINTERED MAGNET
- Publication number 20240170206
- Publication date May 23, 2024
- Proterial, Ltd.
- Kouta SAITOU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR RECYCLING RARE EARTH ELEMENT-CONTAINING POWDER, AND METH...
- Publication number 20240112854
- Publication date Apr 4, 2024
- Proterial, Ltd.
- Takahiro YOMOGITA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
SINTERED R-T-B BASED MAGNET
- Publication number 20230307158
- Publication date Sep 28, 2023
- Proterial, Ltd.
- Daisuke FURUSAWA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
R-T-B SINTERED MAGNET
- Publication number 20230260684
- Publication date Aug 17, 2023
- PROTERIAL, LTD.
- Futoshi KUNIYOSHI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR MANUFACTURING R-T-B BASED SINTERED MAGNET, AND R-T-B BAS...
- Publication number 20230040720
- Publication date Feb 9, 2023
- Hitachi Metals, Ltd.
- Nobuhiko FUJIMORI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING R-T-B SINTERED MAGNET
- Publication number 20200411236
- Publication date Dec 31, 2020
- Hitachi Metals, Ltd.
- Futoshi KUNIYOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SINTERED R-T-B BASED MAGNET
- Publication number 20200312492
- Publication date Oct 1, 2020
- Hitachi Metals, Ltd.
- Futoshi KUNIYOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING R-T-B SINTERED MAGNET
- Publication number 20190371522
- Publication date Dec 5, 2019
- Hitachi Metals, Ltd.
- Futoshi KUNIYOSHI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF PRODUCING R-T-B SINTERED MAGNET
- Publication number 20190214191
- Publication date Jul 11, 2019
- Hitachi Metals, Ltd.
- Futoshi KUNIYOSHI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD OF PRODUCING R-T-B SINTERED MAGNET
- Publication number 20190214192
- Publication date Jul 11, 2019
- Hitachi Metals, Ltd.
- Futoshi KUNIYOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B SINTERED MAGNET
- Publication number 20190185971
- Publication date Jun 20, 2019
- Hitachi Metals, Ltd.
- Futoshi KUNIYOSHI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR PRODUCING SINTERED R-T-B BASED MAGNET AND DIFFUSION SOURCE
- Publication number 20190096575
- Publication date Mar 28, 2019
- Hitachi Metals, Ltd.
- Futoshi KUNIYOSHI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING SINTERED R-T-B BASED MAGNET AND DIFFUSION SOURCE
- Publication number 20190096550
- Publication date Mar 28, 2019
- Hitachi Metals, Ltd.
- Futoshi KUNIYOSHI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR PRODUCING R-T-B SYSTEM SINTERED MAGNET
- Publication number 20180240590
- Publication date Aug 23, 2018
- Hitachi Metals, Ltd.
- Futoshi KUNIYOSHI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
DIFFUSION TREATMENT DEVICE AND METHOD FOR MANUFACTURING R-T-B SYSTE...
- Publication number 20180236554
- Publication date Aug 23, 2018
- Hitachi Metals, Ltd.
- Futoshi KUNIYOSHI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B-BASED SINTERED MAGNET AND METHOD FOR PRODUCING SAME
- Publication number 20180182518
- Publication date Jun 28, 2018
- Hitachi Metals, Ltd.
- Teppei SATOH
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR MANUFACTURING R-T-B BASED SINTERED MAGNET
- Publication number 20180130580
- Publication date May 10, 2018
- Hitachi Metals, Ltd.
- Teppei SATOH
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING R-T-B SYSTEM SINTERED MAGNET
- Publication number 20180025819
- Publication date Jan 25, 2018
- Hitachi Metals, Ltd.
- Yasutaka SHIGEMOTO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR MANUFACTURING R-T-B BASED SINTERED MAGNET
- Publication number 20170323722
- Publication date Nov 9, 2017
- Hitachi Metals, Ltd.
- Ryouichi YAMAGATA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR MANUFACTURING R-T-B BASED SINTERED MAGNET
- Publication number 20170256344
- Publication date Sep 7, 2017
- Hitachi Metals, Ltd.
- Teppei SATOH
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING R-T-B BASED SINTERED MAGNET
- Publication number 20160284468
- Publication date Sep 29, 2016
- Hitachi Metals, Ltd.
- Ryouichi YAMAGATA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20160189838
- Publication date Jun 30, 2016
- Hitachi Metals, Ltd.
- Takeshi NISHIUCHI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED SINTERED MAGNET AND METHOD FOR PRODUCING R-T-B BASED SI...
- Publication number 20160189837
- Publication date Jun 30, 2016
- Hitachi Metals, Ltd.
- Rintaro ISHII
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20160042848
- Publication date Feb 11, 2016
- Hitachi Metals, Ltd.
- Futoshi KUNIYOSHI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20160042847
- Publication date Feb 11, 2016
- Hitachi Metals, Ltd.
- Takeshi NISHIUCHI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING R-T-B SINTERED MAGNET
- Publication number 20140375404
- Publication date Dec 25, 2014
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RH DIFFUSION SOURCE, AND METHOD FOR PRODUCING R-T-B-BASED SINTERED...
- Publication number 20140120248
- Publication date May 1, 2014
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF PRODUCING R-T-B SINTERED MAGNET
- Publication number 20130299050
- Publication date Nov 14, 2013
- Hitachi Metals, Ltd.
- Futoshi Kuniyoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Futoshi Kuniyoshi

Person

Patents Grantslast 30 patents

R-T-B sintered magnet

Method of producing R-T-B sintered magnet

Sintered R-T-B based magnet

Method for producing R-T-B system sintered magnet

R-T-B sintered magnet

Method for producing sintered R-T-B based magnet and diffusion source

Method for producing R-T-B sintered magnet

Method for producing sintered R—T—B based magnet and diffusion source

R-T-B-based sintered magnet and method for producing same

R-T-B based sintered magnet

Method for producing R-T-B based sintered magnet

Diffusion treatment device and method for manufacturing R-T-B syste...

Method for producing R-T-B sintered magnet

Method for manufacturing R-T-B based sintered magnet

R-T-B based sintered magnet and method for producing R-T-B based si...

Method for manufacturing R-T-B based sintered magnet

Method for manufacturing R-T-B based sintered magnet

R-T-B sintered magnet

RH diffusion source, and method for producing R-T-B-based sintered...

Method of producing R-T-B sintered magnet

Method for producing R-T-B sintered magnet

Process for production of R-T-B based sintered magnets and R-T-B ba...

Method for producing R-T-B-based sintered magnets

Treatment device

R-T-B sintered magnet manufacturing method

Alloy for sintered R-T-B-M magnet and method for producing same

R-T-B-type sintered magnet and method for production thereof

Method for producing R-T-B sintered magnet

R-T-B sintered magnet and method for producing the same

R-T-Cu-Mn-B type sintered magnet

Patents Applicationslast 30 patents

R-T-B BASED SINTERED MAGNET

SINTERED R-T-B BASED MAGNET

METHOD FOR PRODUCING R-T-B BASED SINTERED MAGNET

METHOD FOR RECYCLING RARE EARTH ELEMENT-CONTAINING POWDER, AND METH...

SINTERED R-T-B BASED MAGNET

R-T-B SINTERED MAGNET

METHOD FOR MANUFACTURING R-T-B BASED SINTERED MAGNET, AND R-T-B BAS...

METHOD FOR PRODUCING R-T-B SINTERED MAGNET

SINTERED R-T-B BASED MAGNET

METHOD FOR PRODUCING R-T-B SINTERED MAGNET

METHOD OF PRODUCING R-T-B SINTERED MAGNET

METHOD OF PRODUCING R-T-B SINTERED MAGNET

R-T-B SINTERED MAGNET

METHOD FOR PRODUCING SINTERED R-T-B BASED MAGNET AND DIFFUSION SOURCE

METHOD FOR PRODUCING SINTERED R-T-B BASED MAGNET AND DIFFUSION SOURCE

METHOD FOR PRODUCING R-T-B SYSTEM SINTERED MAGNET

DIFFUSION TREATMENT DEVICE AND METHOD FOR MANUFACTURING R-T-B SYSTE...

R-T-B-BASED SINTERED MAGNET AND METHOD FOR PRODUCING SAME

METHOD FOR MANUFACTURING R-T-B BASED SINTERED MAGNET

METHOD FOR PRODUCING R-T-B SYSTEM SINTERED MAGNET

METHOD FOR MANUFACTURING R-T-B BASED SINTERED MAGNET

METHOD FOR MANUFACTURING R-T-B BASED SINTERED MAGNET

METHOD FOR PRODUCING R-T-B BASED SINTERED MAGNET

R-T-B BASED SINTERED MAGNET

R-T-B BASED SINTERED MAGNET AND METHOD FOR PRODUCING R-T-B BASED SI...

R-T-B BASED SINTERED MAGNET

R-T-B BASED SINTERED MAGNET

METHOD FOR PRODUCING R-T-B SINTERED MAGNET

RH DIFFUSION SOURCE, AND METHOD FOR PRODUCING R-T-B-BASED SINTERED...

METHOD OF PRODUCING R-T-B SINTERED MAGNET