Atsunori Yoshida

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrolytic post-treatment of phosphated surface
- Patent number 4,728,401
- Issue date Mar 1, 1988
- Nihon Parkerizing Co., Ltd.
- Toshi Miyawaki
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Surface treatment of aluminum and its alloys
- Patent number 4,650,525
- Issue date Mar 17, 1987
- Nihon Parkerizing Co., Ltd.
- Atsunori Yoshida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...