Yasuo Yokoyama

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electromagnetic steel sheet having an electrically insulating coati...
- Patent number 5,624,749
- Issue date Apr 29, 1997
- Kawasaki Steel Corporation
- Hideo Kobayashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of forming an insulating film on a grain-oriented silicon st...
- Patent number 4,242,155
- Issue date Dec 30, 1980
- Kawasaki Steel Corporation
- Nobuyuki Morito
- C21 - METALLURGY OF IRON