Satoshi Shirahata

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Etching agent, etching method and liquid for preparing etching agent
- Patent number 8,871,653
- Issue date Oct 28, 2014
- Wako Pure Chemical Industries, Ltd.
- Osamu Matsuda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Etching agent, etching method and liquid for preparing etching agent
- Patent number 8,513,139
- Issue date Aug 20, 2013
- Wako Pure Chemical Industries, Ltd.
- Osamu Matsuda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
ETCHING AGENT, ETCHING METHOD AND LIQUID FOR PREPARING ETCHING AGENT
- Publication number 20130280916
- Publication date Oct 24, 2013
- Osamu Matsuda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SUBSTRATE CLEANER FOR COPPER WIRING, AND METHOD FOR CLEANING COPPER...
- Publication number 20130261040
- Publication date Oct 3, 2013
- WAKO PURE CHEMICAL INDUSTRIES, LTD.
- Hiromi Kawada
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
ETCHING AGENT, ETCHING METHOD AND LIQUID FOR PREPARING ETCHING AGENT
- Publication number 20110230053
- Publication date Sep 22, 2011
- WAKO PURE CHEMICAL INDUSTRIES, LTD.
- Osamu Matsuda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...