Toshiyuki Ohsawa

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Hamana-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Commutator, manufacturing method of commutator, manufacturing appar...
- Patent number 7,084,546
- Issue date Aug 1, 2006
- ASMO Co., Ltd.
- Ryohei Kageyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Commutator, manufacturing method of commutator, manufacturing appar...
- Publication number 20040066110
- Publication date Apr 8, 2004
- Ryohei Kageyama
- H01 - BASIC ELECTRIC ELEMENTS