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Yoshihiko Sunami

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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for refining coal-derived heavy carbonaceous materials
    • Patent number 5,066,384
    • Issue date Nov 19, 1991
    • Sumitomo Metal Industries, Ltd.
    • Tohru Iwahashi
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Molding process and device therefor
    • Patent number 4,874,564
    • Issue date Oct 17, 1989
    • Sumitomo Metal Industries, Ltd.
    • Kiyoshi Sudani
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of manufacturing carbon materials
    • Patent number 4,671,907
    • Issue date Jun 9, 1987
    • Sumitomo Metal Industries, Inc.
    • Tohru Iwahashi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Coal liquefaction process
    • Patent number 4,437,974
    • Issue date Mar 20, 1984
    • Sumitomo Metal Industries, Ltd.
    • Ryohei Minami
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Process for refining coal-based heavy oils
    • Patent number 4,402,824
    • Issue date Sep 6, 1983
    • Sumitomo Metal Industries, Limited
    • Yoshihiko Sunami
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Process for manufacture of solvent for coal liquefaction
    • Patent number 4,326,946
    • Issue date Apr 27, 1982
    • Sumitomo Metal Industries Ltd.
    • Tsukasa Chikata
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Process for manufacture of solvent for coal liquefaction
    • Patent number 4,303,498
    • Issue date Dec 1, 1981
    • Sumitomo Metal Industries Limited
    • Tsukasa Chikata
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Process for producing shaft furnace cokes
    • Patent number 4,272,324
    • Issue date Jun 9, 1981
    • Sumitomo Metal Industries Limited
    • Yoshihiko Sunami
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Method of manufacturing blast furnace coke
    • Patent number 4,178,215
    • Issue date Dec 11, 1979
    • Sumitomo Metal Industries Limited
    • Yoshio Kiritani
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...