Kyung-Ku Choi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetically actuated MEMS switch
- Patent number 11,551,896
- Issue date Jan 10, 2023
- TDK Corporation
- Akifumi Kamijima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetically actuated MEMS switch
- Patent number 11,075,041
- Issue date Jul 27, 2021
- TDK Corporation
- Akifumi Kamijima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-T-B based permanent magnet
- Patent number 9,947,445
- Issue date Apr 17, 2018
- TDK Corporation
- Kenichi Suzuki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic measurement device
- Patent number 9,702,945
- Issue date Jul 11, 2017
- TDK Corporation
- Kenichi Suzuki
- G01 - MEASURING TESTING
Information Patent Grant
R-T-B based sintered magnet
- Patent number 9,607,743
- Issue date Mar 28, 2017
- TDK Corporation
- Yasushi Enokido
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B based sintered magnet
- Patent number 9,520,216
- Issue date Dec 13, 2016
- TDK Corporation
- Yasushi Enokido
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-T-B based permanent magnet
- Patent number 9,490,053
- Issue date Nov 8, 2016
- TDK Corporation
- Kenichi Suzuki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B based permanent magnet
- Patent number 9,396,852
- Issue date Jul 19, 2016
- TDK Corporation
- Ryuji Hashimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic measurement device
- Patent number 9,354,285
- Issue date May 31, 2016
- TDK Corporation
- Kenichi Suzuki
- G01 - MEASURING TESTING
Information Patent Grant
R-T-B based permanent magnet
- Patent number 9,111,674
- Issue date Aug 18, 2015
- TDK Corporation
- Ryuji Hashimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-T-B based permanent magnet
- Patent number 9,082,537
- Issue date Jul 14, 2015
- TDK Corporation
- Ryuji Hashimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
R-T-B based permanent magnet
- Patent number 9,070,500
- Issue date Jun 30, 2015
- TDK Corporation
- Ryuji Hashimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric ceramic composition
- Patent number 8,841,226
- Issue date Sep 23, 2014
- TDK Corporation
- Raitarou Masaoka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Electronic component and manufacturing method thereof
- Patent number 8,351,185
- Issue date Jan 8, 2013
- TDK Corporation
- Takashi Ohtsuka
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electronic component and manufacturing method thereof
- Patent number 8,324,509
- Issue date Dec 4, 2012
- TDK Corporation
- Takashi Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin-film magnetic device, and electronic component module having same
- Patent number 7,864,017
- Issue date Jan 4, 2011
- TDK Corporation
- Toshiyasu Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin film device
- Patent number 7,785,697
- Issue date Aug 31, 2010
- TDK Corporation
- Taku Masai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic thin film and method of forming the same, magnetic device...
- Patent number 7,588,840
- Issue date Sep 15, 2009
- TDK Corporation
- Kyung-Ku Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin film device
- Patent number 7,498,919
- Issue date Mar 3, 2009
- TDK Corporation
- Toshiyasu Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High frequency magnetic thin film, composite magnetic thin film and...
- Patent number 7,369,027
- Issue date May 6, 2008
- TDK Corporation
- Kyung-Ku Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-frequency magnetic thin film, composite magnetic thin film, an...
- Patent number 7,224,254
- Issue date May 29, 2007
- TDK Corporation
- Kyung-Ku Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin film capacitor and method for fabricating the same
- Patent number 6,876,536
- Issue date Apr 5, 2005
- TDK Corporation
- Yukio Sakashita
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ANALYSIS KIT AND ANALYSIS METHOD
- Publication number 20240241114
- Publication date Jul 18, 2024
- TDK Corporation
- Takeshi SAKAMOTO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MAGNETICALLY ACTUATED MEMS SWITCH
- Publication number 20210313130
- Publication date Oct 7, 2021
- TDK Corporation
- Akifumi KAMIJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANALYSIS KIT AND ANALYSIS METHOD
- Publication number 20200116713
- Publication date Apr 16, 2020
- TDK Corporation
- Takeshi SAKAMOTO
- G01 - MEASURING TESTING
Information Patent Application
COMPOSITE MAGNETIC BODY, SUBSTRATE INCLUDING COMPOSITE MAGNETIC BOD...
- Publication number 20200082964
- Publication date Mar 12, 2020
- TDK Corporation
- Takeshi SAKAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETICALLY ACTUATED MEMS SWITCH
- Publication number 20190318893
- Publication date Oct 17, 2019
- TDK Corporation
- Akifumi KAMIJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B BASED PERMANENT MAGNET
- Publication number 20150248953
- Publication date Sep 3, 2015
- TDK Corporation
- Kenichi SUZUKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
R-T-B BASED PERMANENT MAGNET
- Publication number 20150132178
- Publication date May 14, 2015
- TDK Corporation
- Kenichi Suzuki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MAGNETIC MEASUREMENT DEVICE
- Publication number 20150070005
- Publication date Mar 12, 2015
- TDK Corporation
- Kenichi Suzuki
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC MEASUREMENT DEVICE
- Publication number 20140375308
- Publication date Dec 25, 2014
- Kenichi Suzuki
- G01 - MEASURING TESTING
Information Patent Application
R-T-B BASED PERMANENT MAGNET
- Publication number 20140320244
- Publication date Oct 30, 2014
- TDK Corporation
- Ryuji HASHIMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B BASED PERMANENT MAGNET
- Publication number 20140320245
- Publication date Oct 30, 2014
- Ryuji HASHIMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B BASED PERMANENT MAGNET
- Publication number 20140320246
- Publication date Oct 30, 2014
- Ryuji HASHIMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B BASED PERMANENT MAGNET
- Publication number 20140320243
- Publication date Oct 30, 2014
- TDK Corporation
- Ryuji HASHIMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20140311287
- Publication date Oct 23, 2014
- TDK Corporation
- Yasushi ENOKIDO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20140311291
- Publication date Oct 23, 2014
- Yasushi ENOKIDO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DIELECTRIC CERAMIC COMPOSITION
- Publication number 20130150226
- Publication date Jun 13, 2013
- TDK Corporation
- Raitarou MASAOKA
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF
- Publication number 20110042127
- Publication date Feb 24, 2011
- TDK Corporation
- Takashi OHTSUKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF
- Publication number 20110044011
- Publication date Feb 24, 2011
- TDK Corporation
- Takashi OHTSUKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Soft Magnetic Member and Magnetic Device Including the Same
- Publication number 20080292876
- Publication date Nov 27, 2008
- Kyung-Ku Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THIN-FILM MAGNETIC DEVICE, AND ELECTRONIC COMPONENT MODULE HAVING SAME
- Publication number 20080198560
- Publication date Aug 21, 2008
- TDK Corporation
- Toshiyasu Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Thin film device
- Publication number 20080003408
- Publication date Jan 3, 2008
- TDK Corporation
- Taku Masai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Thin film device
- Publication number 20070230049
- Publication date Oct 4, 2007
- TDK Corporation
- Toshiyasu Fujiwara
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film device
- Publication number 20070222550
- Publication date Sep 27, 2007
- TDK Corporation
- Toshiyasu Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Magnetic Thin Film For High Frequency, and Method of Manufacturing...
- Publication number 20070202359
- Publication date Aug 30, 2007
- TDK Corporation
- Kyung-Ku Choi
- B82 - NANO-TECHNOLOGY
Information Patent Application
High Frequency Magnetic Thin Film, Composite Magnetic Thin Film and...
- Publication number 20070183923
- Publication date Aug 9, 2007
- TDK Corporation
- Kyung-Ku CHOI
- B82 - NANO-TECHNOLOGY
Information Patent Application
Magnetic thin film for high frequency, method of manufacturing the...
- Publication number 20070072005
- Publication date Mar 29, 2007
- TDK Corporation
- Kyung-Ku Choi
- B82 - NANO-TECHNOLOGY
Information Patent Application
Magnetic thin film or composite magnetic thin film for high frequen...
- Publication number 20060257677
- Publication date Nov 16, 2006
- Kyung-Ku Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Granular Substance, Magnetic Thin Film, and Magnetic Device
- Publication number 20060228589
- Publication date Oct 12, 2006
- Kyung-Ku Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Magnetic thin film and method of forming the same, magnetic device...
- Publication number 20060115684
- Publication date Jun 1, 2006
- TDK Corporation
- Kyung-Ku Choi
- B82 - NANO-TECHNOLOGY
Information Patent Application
High-frequency magnetic thin film, composite magnetic thin film, an...
- Publication number 20050116803
- Publication date Jun 2, 2005
- Kyung-Ku Choi
- B82 - NANO-TECHNOLOGY

Kyung-Ku Choi

Person

Patents Grantslast 30 patents

Magnetically actuated MEMS switch

Magnetically actuated MEMS switch

R-T-B based permanent magnet

Magnetic measurement device

R-T-B based sintered magnet

R-T-B based sintered magnet

R-T-B based permanent magnet

R-T-B based permanent magnet

Magnetic measurement device

R-T-B based permanent magnet

R-T-B based permanent magnet

R-T-B based permanent magnet

Dielectric ceramic composition

Electronic component and manufacturing method thereof

Electronic component and manufacturing method thereof

Thin-film magnetic device, and electronic component module having same

Thin film device

Magnetic thin film and method of forming the same, magnetic device...

Thin film device

High frequency magnetic thin film, composite magnetic thin film and...

High-frequency magnetic thin film, composite magnetic thin film, an...

Thin film capacitor and method for fabricating the same

Patents Applicationslast 30 patents

ANALYSIS KIT AND ANALYSIS METHOD

MAGNETICALLY ACTUATED MEMS SWITCH

ANALYSIS KIT AND ANALYSIS METHOD

COMPOSITE MAGNETIC BODY, SUBSTRATE INCLUDING COMPOSITE MAGNETIC BOD...

MAGNETICALLY ACTUATED MEMS SWITCH

R-T-B BASED PERMANENT MAGNET

R-T-B BASED PERMANENT MAGNET

MAGNETIC MEASUREMENT DEVICE

MAGNETIC MEASUREMENT DEVICE

R-T-B BASED PERMANENT MAGNET

R-T-B BASED PERMANENT MAGNET

R-T-B BASED PERMANENT MAGNET

R-T-B BASED PERMANENT MAGNET

R-T-B BASED SINTERED MAGNET

R-T-B BASED SINTERED MAGNET

DIELECTRIC CERAMIC COMPOSITION

ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF

ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF

Soft Magnetic Member and Magnetic Device Including the Same

THIN-FILM MAGNETIC DEVICE, AND ELECTRONIC COMPONENT MODULE HAVING SAME

Thin film device

Thin film device

Thin film device

Magnetic Thin Film For High Frequency, and Method of Manufacturing...

High Frequency Magnetic Thin Film, Composite Magnetic Thin Film and...

Magnetic thin film for high frequency, method of manufacturing the...

Magnetic thin film or composite magnetic thin film for high frequen...

Granular Substance, Magnetic Thin Film, and Magnetic Device

Magnetic thin film and method of forming the same, magnetic device...

High-frequency magnetic thin film, composite magnetic thin film, an...