TREA

Naoya Takahashi

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure-sensitive copying material
    • Patent number 5,264,409
    • Issue date Nov 23, 1993
    • Nippon Petrochemicals Company, Limited
    • Naoya Takahashi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Pressure sensitive copy article
    • Patent number 5,214,021
    • Issue date May 25, 1993
    • Nippon Petrochemicals Co., Ltd.
    • Naoya Takahashi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Pressure sensitive copy material
    • Patent number 4,879,269
    • Issue date Nov 7, 1989
    • Nippon Petrochemicals Co., Ltd.
    • Naoya Takahashi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Pressure-sensitive recording material
    • Patent number 4,686,548
    • Issue date Aug 11, 1987
    • Nippon Petrochemicals Company, Limited
    • Naoya Takahashi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Solvent for the dye of pressure-sensitive recording paper
    • Patent number 4,661,165
    • Issue date Apr 28, 1987
    • Nippon Petrochemicals Company, Limited
    • Shigenobu Kawakami
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Electrical insulating oil composition
    • Patent number 4,442,027
    • Issue date Apr 10, 1984
    • Nippon Petrochemicals Company Ltd.
    • Atsushi Sato
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Recording material
    • Patent number 4,390,194
    • Issue date Jun 28, 1983
    • Nippon Petrochemicals Company, Limited
    • Atsushi Sato
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Electrical insulating oil and oil-filled electrical appliances
    • Patent number 4,347,169
    • Issue date Aug 31, 1982
    • Nippon Petrochemicals Company, Limited
    • Atsushi Sato
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...