Tomonaga Iwatsu

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing steel sheet for rotor core for IPM motor
- Patent number 9,847,168
- Issue date Dec 19, 2017
- Nisshin Steel Co., Ltd.
- Tomonaga Iwatsu
- C21 - METALLURGY OF IRON
Information Patent Grant
Rotor for IPM motor, and IPM motor equipped with same
- Patent number 8,841,810
- Issue date Sep 23, 2014
- Nisshin Steel Co., Ltd.
- Tomonaga Iwatsu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
STEEL SHEET FOR ROTOR CORE FOR IPM MOTOR, AND METHOD FOR MANUFACTUR...
- Publication number 20160362762
- Publication date Dec 15, 2016
- NISSHIN STEEL CO., LTD.
- Tomonaga Iwatsu
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR MANUFACTURING STEEL SHEET FOR ROTOR CORE FOR IPM MOTOR
- Publication number 20150047746
- Publication date Feb 19, 2015
- NISSHIN STEEL CO., LTD.
- Tomonaga Iwatsu
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL SHEET FOR ROTOR CORE FOR IPM MOTOR, AND METHOD FOR MANUFACTUR...
- Publication number 20150047757
- Publication date Feb 19, 2015
- NISSHIN STEEL CO., LTD.
- Tomonaga Iwatsu
- C21 - METALLURGY OF IRON
Information Patent Application
ROTOR FOR IPM MOTOR, AND IPM MOTOR EQUIPPED WITH SAME
- Publication number 20140015364
- Publication date Jan 16, 2014
- Tomonaga Iwatsu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER