Hiroki KAWAMURA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alloy for R-T-B based permanent magnet and method of producing R-T-...
- Patent number 11,398,327
- Issue date Jul 26, 2022
- TDK Corporation
- Hiroki Kawamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
R-T-B based rare earth sintered magnet and method of producing R-T-...
- Patent number 11,387,024
- Issue date Jul 12, 2022
- TDK Corporation
- Hiroki Kawamura
- 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 METHOD OF MANUFACTURING THE SAME
- Publication number 20240363271
- Publication date Oct 31, 2024
- TDK Corporation
- Hiroki KAWAMURA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
R-T-B BASED RARE EARTH SINTERED MAGNET AND METHOD OF PRODUCING R-T-...
- Publication number 20210296029
- Publication date Sep 23, 2021
- TDK Corporation
- Hiroki KAWAMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ALLOY FOR R-T-B BASED PERMANENT MAGNET AND METHOD OF PRODUCING R-T-...
- Publication number 20200312491
- Publication date Oct 1, 2020
- TDK Corporation
- Hiroki KAWAMURA
- H01 - BASIC ELECTRIC ELEMENTS