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Masaaki Tanaka

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Patents Grantslast 30 patents

  • Information Patent Grant

    Resin composition
    • Patent number 11,753,540
    • Issue date Sep 12, 2023
    • Sumitomo Chemical Company, Limited
    • Masaaki Tanaka
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Blooming preventing agent
    • Patent number 6,433,080
    • Issue date Aug 13, 2002
    • Sumitomo Chemical Company, Limited
    • Tohru Fujiki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Switching power supply for gas laser
    • Patent number 6,304,475
    • Issue date Oct 16, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Akihiko Iwata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method and apparatus for image generation
    • Patent number 5,864,374
    • Issue date Jan 26, 1999
    • Mitsubishi Denki Kabushiki Kaisha
    • Toshio Ito
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Projector apparatus
    • Patent number 5,815,221
    • Issue date Sep 29, 1998
    • Mitsubishi Denki Kabushiki Kaisha
    • Masanori Kojima
    • G02 - OPTICS
  • Information Patent Grant

    Method of and apparatus for producing ozone
    • Patent number 5,785,824
    • Issue date Jul 28, 1998
    • Mitsubishi Denki Kabushiki Kaisha
    • Jiro Kitayama
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Optical transmission system and light radiating method
    • Patent number 5,684,642
    • Issue date Nov 4, 1997
    • Mitsubishi Denki Kabushiki Kaisha
    • Nobuyuki Zumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Microbe propagation preventing apparatus
    • Patent number 5,527,459
    • Issue date Jun 18, 1996
    • Mitsubishi Denki Kabushiki Kaisha
    • Akira Ikeda
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Microbe propagation prenvention method
    • Patent number 5,484,570
    • Issue date Jan 16, 1996
    • Mitsubishi Denki Kabushiki Kaisha
    • Akira Ikeda
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Microbe propagation preventing apparatus and microbe propagation pr...
    • Patent number 5,445,798
    • Issue date Aug 29, 1995
    • Mitsubishi Denki Kabushiki Kaisha
    • Akira Ikeda
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Optical processing apparatus
    • Patent number 5,355,194
    • Issue date Oct 11, 1994
    • Mitsubishi Denki Kabushiki Kaisha
    • Nobuyuki Zumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Laser machining apparatus
    • Patent number 5,310,986
    • Issue date May 10, 1994
    • Mitsubishi Denki Kabushiki Kaisha
    • Nobuyuki Zumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Projection aligner
    • Patent number 5,253,040
    • Issue date Oct 12, 1993
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuya Kamon
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Optical machining apparatus
    • Patent number 5,223,693
    • Issue date Jun 29, 1993
    • Mitsubishi Denki Kabushiki Kaisha
    • Nobuyuki Zumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Projection aligner
    • Patent number 5,144,362
    • Issue date Sep 1, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuya Kamon
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Fluid treatment apparatus and method of its shutdown
    • Patent number 5,139,625
    • Issue date Aug 18, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Masaaki Tanaka
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Laser apparatus
    • Patent number 5,058,123
    • Issue date Oct 15, 1991
    • Mitsubishi Denki K.K.
    • Koji Yasui
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Laser device
    • Patent number 4,942,588
    • Issue date Jul 17, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Koji Yasui
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Laser machining apparatus
    • Patent number 4,937,424
    • Issue date Jun 26, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Koji Yasui
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Laser apparatus
    • Patent number 4,903,271
    • Issue date Feb 20, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Koji Yasui
    • G02 - OPTICS
  • Information Patent Grant

    Lateral excitation type gas laser
    • Patent number 4,606,035
    • Issue date Aug 12, 1986
    • Agency of Industrial Science and Technology
    • Masao Hishii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Silent discharge type pulse laser device
    • Patent number 4,510,606
    • Issue date Apr 9, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Shigenori Yagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas laser apparatus
    • Patent number 4,488,309
    • Issue date Dec 11, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Masaaki Tanaka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Intermittent ozone feeding apparatus
    • Patent number 4,453,953
    • Issue date Jun 12, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Masaaki Tanaka
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Oxygen recycle type ozonizing apparatus
    • Patent number 4,430,306
    • Issue date Feb 7, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Keisuke Namba
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Ozonizer
    • Patent number 4,232,229
    • Issue date Nov 4, 1980
    • Mitsubishi Denki Kabushiki Kaisha
    • Masaaki Tanaka
    • C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    RESIN COMPOSITION
    • Publication number 20210061992
    • Publication date Mar 4, 2021
    • Sumitomo Chemical Company, Limited
    • Masaaki TANAKA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    RESIN COMPOSITION
    • Publication number 20160264754
    • Publication date Sep 15, 2016
    • Sumitomo Chemical Company, Limited
    • Masaaki TANAKA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    MAGNETIC-ELECTRIC ENERGY CONVERSION DEVICE, POWER SUPPLY DEVICE, AN...
    • Publication number 20120092003
    • Publication date Apr 19, 2012
    • TOHOKU UNIVERSITY
    • Masaaki Tanaka
    • G01 - MEASURING TESTING