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Tsutomu KOJIMA

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  • Kyoto, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Etching agent for copper or copper alloy
    • Patent number 9,790,600
    • Issue date Oct 17, 2017
    • Entegris, Inc.
    • Tsutomu Kojima
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Etching agent for copper or copper alloy
    • Patent number 9,175,404
    • Issue date Nov 3, 2015
    • Advanced Technology Materials, Inc.
    • Tsutomu Kojima
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

  • Information Patent Application

    ETCHING AGENT FOR COPPER OR COPPER ALLOY
    • Publication number 20160053383
    • Publication date Feb 25, 2016
    • Advanced Technology Materials, Inc.
    • Tsutomu KOJIMA
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    ETCHING AGENT FOR COPPER OR COPPER ALLOY
    • Publication number 20140238953
    • Publication date Aug 28, 2014
    • Tsutomu Kojima
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...