Hisashi Koyama

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Tainai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for manufacturing a transformer core
- Patent number 8,375,569
- Issue date Feb 19, 2013
- Hitachi Industrial Equipment Systems Co., Ltd.
- Kazuyuki Fukui
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Wound Core Scot Transformer
- Publication number 20130314196
- Publication date Nov 28, 2013
- Hitachi Industrial Equipment Systems Co., Ltd.
- Tatsuhito AZEGAMI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSFORMER, AND APPARATUS AND METHOD FOR MANUFACTURING A TRANSFORM...
- Publication number 20110018674
- Publication date Jan 27, 2011
- Kazuyuki Fukui
- H01 - BASIC ELECTRIC ELEMENTS