Ryu Nakajima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing surface-hardened material
- Patent number 11,332,818
- Issue date May 17, 2022
- Nihon Parkerizing Co., Ltd.
- Ryu Nakajima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING SURFACE-HARDENED MATERIAL
- Publication number 20210214833
- Publication date Jul 15, 2021
- Nihon Parkerizing Co., Ltd.
- Ryu NAKAJIMA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
CORROSION-RESISTANT ALLOY COATING FILM FOR METAL MATERIALS AND METH...
- Publication number 20150197857
- Publication date Jul 16, 2015
- Kazuya Nakada
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CORROSION-RESISTANT ALLOY COATING FILM FOR METAL MATERIALS AND METH...
- Publication number 20140030635
- Publication date Jan 30, 2014
- Nihon Parkerizing Co., Ltd.
- Kazuya Nakada
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...