Kenichi Nishikawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
R-T-B based permanent magnet and rotating machine
- Patent number 10,020,102
- Issue date Jul 10, 2018
- TDK Corporation
- Ryuji Hashimoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Soft magnetic powder core
- Patent number 9,631,264
- Issue date Apr 25, 2017
- TDK Corporation
- Takeshi Takahashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B based sintered magnet
- Patent number 9,548,148
- Issue date Jan 17, 2017
- TDK Corporation
- Ryota Kunieda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Soft magnetic powder core
- Patent number 9,318,244
- Issue date Apr 19, 2016
- TDK Corporation
- Takeshi Takahashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B based permanent magnet
- Patent number 9,082,537
- Issue date Jul 14, 2015
- TDK Corporation
- Ryuji Hashimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth based sintered magnet
- Patent number 8,961,712
- Issue date Feb 24, 2015
- TDK Corporation
- Takuma Hayakawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
R-T-B BASED PERMANENT MAGNET AND ROTATING MACHINE
- Publication number 20150303744
- Publication date Oct 22, 2015
- TDK Corporation
- Ryuji HASHIMOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SOFT MAGNETIC POWDER CORE
- Publication number 20150187476
- Publication date Jul 2, 2015
- TDK Corporation
- Takeshi TAKAHASHI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SOFT MAGNETIC POWDER CORE
- Publication number 20150021512
- Publication date Jan 22, 2015
- TDK Corporation
- Takeshi Takahashi
- 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
RARE EARTH BASED SINTERED MAGNET
- Publication number 20140318316
- Publication date Oct 30, 2014
- TDK Corporation
- Takuma Hayakawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B BASED SINTERED MAGNET
- Publication number 20140283649
- Publication date Sep 25, 2014
- TDK Corporation
- Ryota Kunieda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...