TREA

Research and Development Laboratories of Ohno Co., Ltd.

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Organization

  • Yokohama, JA
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Plastic optical member and light-quantity-controlling member each h...
    • Patent number 5,384,658
    • Issue date Jan 24, 1995
    • Ohno Research & Development Laboratories Co. Ltd.
    • Genji Ohtake
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Thin schaukasten
    • Patent number 4,267,489
    • Issue date May 12, 1981
    • Ohno Research and Development Laboratories Company Limited
    • Hisao Morohashi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Electrostatic developing method
    • Patent number 4,058,637
    • Issue date Nov 15, 1977
    • Research and Development Laboratories of Ohno Co., Ltd.
    • Genji Ohno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Portable copier
    • Patent number 4,053,225
    • Issue date Oct 11, 1977
    • Ohno Research & Development Laboratories Co.
    • Hisao Morohashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrostatic developing apparatus
    • Patent number 4,023,898
    • Issue date May 17, 1977
    • Research and Development Laboratories of Ohno Co., Ltd.
    • Genji Ohno
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    X-Y plotter incorporating non-impact, liquid jet recording instrument
    • Patent number 3,968,498
    • Issue date Jul 6, 1976
    • Research and Development Laboratories of Ohno Co., Ltd.
    • Tadamitsu Uchiyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Ink jet nozzle for use in a recording unit
    • Patent number 3,941,312
    • Issue date Mar 2, 1976
    • Research and Development Laboratories of Ohno Company Limited
    • Genji Ohno
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS