Junsuke Hokka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Chemical conversion agent and chemical conversion coating film
- Patent number 9,879,345
- Issue date Jan 30, 2018
- NIPPON PAINT SURF CHEMICALS CO., LTD.
- Norizumi Matsui
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for treating surface of aluminum heat exchanger
- Patent number 9,757,811
- Issue date Sep 12, 2017
- NIPPON PAINT SURF CHEMICALS CO., LTD.
- Norizumi Matsui
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CHEMICAL CONVERSION AGENT AND CHEMICAL CONVERSION COATING FILM
- Publication number 20150027342
- Publication date Jan 29, 2015
- Nippon Paint Co., Ltd.
- Norizumi Matsui
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SURFACE TREATMENT METHOD FOR ALUMINUM HEAT EXCHANGERS
- Publication number 20150013947
- Publication date Jan 15, 2015
- Nippon Paint Co., Ltd.
- Norizumi Matsui
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
METHOD FOR TREATING SURFACE OF ALUMINUM HEAT EXCHANGER
- Publication number 20140223740
- Publication date Aug 14, 2014
- Nippon Paint Co., Ltd.
- Norizumi Matsui
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...