TREA

Keiichi SHIMIZU

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air filter and image forming apparatus incorporating same
    • Patent number 10,518,564
    • Issue date Dec 31, 2019
    • Ricoh Company, Ltd.
    • Keiichi Shimizu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Image forming apparatus including an outer cover and a subsidiary c...
    • Patent number 9,880,512
    • Issue date Jan 30, 2018
    • Ricoh Company, Ltd.
    • Keiichi Shimizu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Straight tube LED lamp, lamp socket set, and lighting fixture
    • Patent number 9,706,608
    • Issue date Jul 11, 2017
    • Panasonic Corporation
    • Satoshi Fukano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Image forming apparatus
    • Patent number 9,527,692
    • Issue date Dec 27, 2016
    • Ricoh Company, Ltd.
    • Keiichi Shimizu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Impact reduction device and image forming apparatus
    • Patent number 9,491,320
    • Issue date Nov 8, 2016
    • Ricoh Company, Ltd.
    • Keiichi Shimizu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Light-emitting device and lighting apparatus
    • Patent number 8,963,190
    • Issue date Feb 24, 2015
    • Toshiba Lighting & Technology Corporation
    • Ryotaro Matsuda
    • F21 - LIGHTING
  • Information Patent Grant

    Lighting apparatus
    • Patent number 8,901,848
    • Issue date Dec 2, 2014
    • Toshiba Lighting & Technology Corporation
    • Hiroaki Watanabe
    • F21 - LIGHTING
  • Information Patent Grant

    Lamp device and lighting fixture including LED as light source and...
    • Patent number 8,899,795
    • Issue date Dec 2, 2014
    • Toshiba Lighting & Technology Corporation
    • Toshiya Tanaka
    • F21 - LIGHTING
  • Information Patent Grant

    Luminaire and lamp apparatus housing
    • Patent number 8,894,254
    • Issue date Nov 25, 2014
    • Toshiba Lighting & Technology Corporation
    • Ryotaro Matsuda
    • F21 - LIGHTING
  • Information Patent Grant

    Power window switch
    • Patent number 8,895,881
    • Issue date Nov 25, 2014
    • OMRON Automotive Electronics Co., Ltd.
    • Takashi Nose
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Tube lamp and luminaire
    • Patent number 8,864,511
    • Issue date Oct 21, 2014
    • Toshiba Lighting & Technology Corporation
    • Keiichi Shimizu
    • F21 - LIGHTING
  • Information Patent Grant

    Luminaire
    • Patent number 8,827,506
    • Issue date Sep 9, 2014
    • Toshiba Lighting & Technology Corporation
    • Takeshi Osada
    • F21 - LIGHTING
  • Information Patent Grant

    Power supply device and lighting equipment
    • Patent number 8,829,817
    • Issue date Sep 9, 2014
    • Toshiba Lighting & Technology Corporation
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Illuminating device
    • Patent number 8,803,441
    • Issue date Aug 12, 2014
    • Toshiba Lighting & Technology Corporation
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Illuminating device
    • Patent number 8,803,442
    • Issue date Aug 12, 2014
    • Toshiba Lighting & Technology Corporation
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Illuminating device
    • Patent number 8,791,651
    • Issue date Jul 29, 2014
    • Toshiba Lighting & Technology Corporation
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Self-ballasted lamp and lighting equipment
    • Patent number 8,721,125
    • Issue date May 13, 2014
    • Toshiba Lighting & Technology Corporation
    • Makoto Sakai
    • F21 - LIGHTING
  • Information Patent Grant

    Cap, socket device, and luminaire
    • Patent number 8,714,785
    • Issue date May 6, 2014
    • Toshiba Lighting & Technology Corporation
    • Takeshi Osada
    • F21 - LIGHTING
  • Information Patent Grant

    Lighting device
    • Patent number 8,664,857
    • Issue date Mar 4, 2014
    • Toshiba Lighting & Technology Corporation
    • Nobuhiko Betsuda
    • F21 - LIGHTING
  • Information Patent Grant

    Lighting fixture
    • Patent number 8,613,529
    • Issue date Dec 24, 2013
    • Toshiba Lighting & Technology Corporation
    • Satoshi Watanabe
    • F21 - LIGHTING
  • Information Patent Grant

    Illuminating device
    • Patent number 8,587,218
    • Issue date Nov 19, 2013
    • Toshiba Lighting & Technology Corporation
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Illuminating device
    • Patent number 8,575,859
    • Issue date Nov 5, 2013
    • Toshiba Lighting & Technology Corporation
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Light emitting diode (LED) bulb
    • Patent number 8,567,990
    • Issue date Oct 29, 2013
    • Toshiba Lighting & Technology Corporation
    • Nobuhiko Betsuda
    • F21 - LIGHTING
  • Information Patent Grant

    Socket device
    • Patent number 8,540,399
    • Issue date Sep 24, 2013
    • Toshiba Lighting & Technology Corporation
    • Satoshi Watanabe
    • F21 - LIGHTING
  • Information Patent Grant

    Lighting system
    • Patent number 8,540,396
    • Issue date Sep 24, 2013
    • Toshiba Lighting & Technology Corporation
    • Satoshi Watanabe
    • F21 - LIGHTING
  • Information Patent Grant

    Illuminating device and controlling method thereof
    • Patent number 8,536,800
    • Issue date Sep 17, 2013
    • Toshiba Lighting & Technology Corporation
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Socket device
    • Patent number 8,523,402
    • Issue date Sep 3, 2013
    • Toshiba Lighting & Technology Corporation
    • Satoshi Watanabe
    • F21 - LIGHTING
  • Information Patent Grant

    LED lighting device and lighting equipment
    • Patent number 8,476,840
    • Issue date Jul 2, 2013
    • Toshiba Lighting & Technology Corporation
    • Noriyuki Kitamura
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Illuminating device and controlling method thereof
    • Patent number 8,450,943
    • Issue date May 28, 2013
    • Toshiba Lighting & Technology Corporation
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Light-emitting module and luminaire
    • Patent number 8,439,521
    • Issue date May 14, 2013
    • Toshiba Lighting & Technology Corporation
    • Keiichi Shimizu
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    RESIN MOLDED COMPONENT, IMAGE FORMING APPARATUS, AND DETERMINATION...
    • Publication number 20250020628
    • Publication date Jan 16, 2025
    • Keiichi SHIMIZU
    • G01 - MEASURING TESTING
  • Information Patent Application

    AIR FILTER AND IMAGE FORMING APPARATUS INCORPORATING SAME
    • Publication number 20190100045
    • Publication date Apr 4, 2019
    • RICOH COMPANY, LTD.
    • Keiichi SHIMIZU
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20170060075
    • Publication date Mar 2, 2017
    • RICOH COMPANY, LTD.
    • Keiichi SHIMIZU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    IMPACT REDUCTION DEVICE AND IMAGE FORMING APPARATUS
    • Publication number 20160097231
    • Publication date Apr 7, 2016
    • RICOH COMPANY, LTD.
    • Keiichi SHIMIZU
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20150329305
    • Publication date Nov 19, 2015
    • RICOH COMPANY, LTD.
    • Keiichi SHIMIZU
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    SELF-BALLASTED LAMP AND LIGHTING EQUIPMENT
    • Publication number 20140191658
    • Publication date Jul 10, 2014
    • Toshiba Lighting & Technology Corporation
    • Makoto SAKAI
    • F21 - LIGHTING
  • Information Patent Application

    Illuminating Device
    • Publication number 20140049188
    • Publication date Feb 20, 2014
    • Toshiba Lighting & Technology Corporation
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Illuminating Device
    • Publication number 20140042931
    • Publication date Feb 13, 2014
    • Toshiba Lighting & Technology Corporation
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Illuminating Device
    • Publication number 20140035487
    • Publication date Feb 6, 2014
    • Toshiba Lighting & Technology Corporation
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LIGHTING CONTROL SYSTEM
    • Publication number 20140015417
    • Publication date Jan 16, 2014
    • TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    • Naoko Iwai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LUMINAIRE
    • Publication number 20140003047
    • Publication date Jan 2, 2014
    • TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    • Keiichi SHIMIZU
    • F21 - LIGHTING
  • Information Patent Application

    CAP, SOCKET DEVICE, AND LUMINAIRE
    • Publication number 20130201697
    • Publication date Aug 8, 2013
    • TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    • Takeshi Osada
    • F21 - LIGHTING
  • Information Patent Application

    STRAIGHT TUBE LED LAMP, LAMP SOCKET SET, AND LIGHTING FIXTURE
    • Publication number 20130119896
    • Publication date May 16, 2013
    • TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    • Satoshi Fukano
    • F21 - LIGHTING
  • Information Patent Application

    POWER SUPPLY DEVICE AND LIGHTING EQUIPMENT
    • Publication number 20130088173
    • Publication date Apr 11, 2013
    • Kabushiki Kaisha Toshiba
    • Hirokazu OTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    LUMINAIRE
    • Publication number 20130083511
    • Publication date Apr 4, 2013
    • TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    • Takeshi Osada
    • F21 - LIGHTING
  • Information Patent Application

    TUBE LAMP AND LUMINAIRE
    • Publication number 20130027924
    • Publication date Jan 31, 2013
    • Keiichi Shimizu
    • F21 - LIGHTING
  • Information Patent Application

    Illuminating Device
    • Publication number 20120326620
    • Publication date Dec 27, 2012
    • TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    POWER WINDOW SWITCH
    • Publication number 20120325636
    • Publication date Dec 27, 2012
    • OMRON AUTOMOTIVE ELECTRONICS CO., LTD.
    • Takashi Nose
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Socket Device
    • Publication number 20120320609
    • Publication date Dec 20, 2012
    • Toshiba Lighting & Technology Corporation
    • Satoshi Watanabe
    • F21 - LIGHTING
  • Information Patent Application

    Lighting System
    • Publication number 20120320565
    • Publication date Dec 20, 2012
    • Toshiba Lighting & Technology Corporation
    • Satoshi Watanabe
    • F21 - LIGHTING
  • Information Patent Application

    Socket Device
    • Publication number 20120320611
    • Publication date Dec 20, 2012
    • Toshiba Lighting & Technology Corporation
    • Satoshi Watanabe
    • F21 - LIGHTING
  • Information Patent Application

    Lighting Device
    • Publication number 20120319581
    • Publication date Dec 20, 2012
    • Toshiba Lighting & Technology Corporation
    • Nobuhiko Betsuda
    • F21 - LIGHTING
  • Information Patent Application

    Illuminating Device
    • Publication number 20120319613
    • Publication date Dec 20, 2012
    • TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Socket Device
    • Publication number 20120320610
    • Publication date Dec 20, 2012
    • Toshiba Lighting & Technology Corporation
    • Satoshi Watanabe
    • F21 - LIGHTING
  • Information Patent Application

    Light Emitting Diode (LED) Bulb
    • Publication number 20120320593
    • Publication date Dec 20, 2012
    • Toshiba Lighting & Technology Corporation
    • Nobuhiko Betsuda
    • F21 - LIGHTING
  • Information Patent Application

    LAMP APPARATUS AND LUMINAIRE
    • Publication number 20120262928
    • Publication date Oct 18, 2012
    • Toshiba Lighting & Technology Corporation
    • Ryotaro Matsuda
    • F21 - LIGHTING
  • Information Patent Application

    LIGHT-EMITTING MODULE, LIGHT-EMITTING MODULE UNIT, AND LUMINAIRE
    • Publication number 20120243227
    • Publication date Sep 27, 2012
    • TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    • Keiichi SHIMIZU
    • F21 - LIGHTING
  • Information Patent Application

    ILLUMINATING DEVICE AND CONTROLLING METHOD THEREOF
    • Publication number 20120194097
    • Publication date Aug 2, 2012
    • TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    • Hirokazu Otake
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LIGHT-EMITTING DEVICE AND LIGHTING APPARATUS
    • Publication number 20120161194
    • Publication date Jun 28, 2012
    • Ryotaro Matsuda
    • F21 - LIGHTING
  • Information Patent Application

    LIGHT SOURCE UNIT, LIGHT SOURCE DEVICE, AND ILLUMINATION DEVICE
    • Publication number 20120134153
    • Publication date May 31, 2012
    • Kabushiki Kaisha Toshiba
    • NORIMASA SUZUKI
    • F21 - LIGHTING