Yasunori OTSUKI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a neutral ring for use in rotating electri...
- Patent number 10,658,898
- Issue date May 19, 2020
- Hitachi Industrial Products, Ltd.
- Yasushi Hayasaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotating electric machine or wind power generation system
- Patent number 10,177,621
- Issue date Jan 8, 2019
- Hitachi, Ltd.
- Naoki Kunihiro
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Neutral ring for use in rotating electrical machine and method for...
- Patent number 10,033,237
- Issue date Jul 24, 2018
- Hitachi, Ltd.
- Yasushi Hayasaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Method for Manufacturing a Neutral Ring for Use in Rotating Electri...
- Publication number 20180301952
- Publication date Oct 18, 2018
- Hitachi, Ltd
- Yasushi HAYASAKA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Rotating Electric Machine or Wind Power Generation System
- Publication number 20170117769
- Publication date Apr 27, 2017
- Hitachi, Ltd
- Naoki KUNIHIRO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Neutral Ring for Use in Rotating Electrical Machine and Method for...
- Publication number 20160043603
- Publication date Feb 11, 2016
- Hitachi, Ltd
- Yasushi HAYASAKA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER