TREA

Yoshiyuki Sakaguchi

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for etching superconductor materials
    • Patent number 4,996,191
    • Issue date Feb 26, 1991
    • Lion Corporation
    • Takeshi Kobayashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...