TREA

Masanori Okada

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  • Hitachinaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery
    • Patent number D1015265
    • Issue date Feb 20, 2024
    • KOKI HOLDINGS CO., LTD.
    • Yoshiki Aoki
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Driver tool
    • Patent number D1010414
    • Issue date Jan 9, 2024
    • KOKI HOLDINGS CO., LTD.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Illuminating device
    • Patent number 10,344,951
    • Issue date Jul 9, 2019
    • KOKI HOLDINGS CO., LTD.
    • Yoshiki Aoki
    • F21 - LIGHTING
  • Information Patent Grant

    Portable nailing machine body
    • Patent number D835962
    • Issue date Dec 18, 2018
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric power circular saw
    • Patent number D829523
    • Issue date Oct 2, 2018
    • Hitachi Koki Co., Ltd.
    • Shingo Kosugi
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric driver body
    • Patent number D826669
    • Issue date Aug 28, 2018
    • Hitachi Koki Co., Ltd.
    • Shingo Kosugi
    • D08 - Tools and hardware
  • Information Patent Grant

    Electric device outputting light, wind, heat or sound
    • Patent number 9,967,920
    • Issue date May 8, 2018
    • Hitachi Koki Co., Ltd.
    • Takafumi Itoh
    • F21 - LIGHTING
  • Information Patent Grant

    Electric device with surrounding protective frame
    • Patent number 9,693,470
    • Issue date Jun 27, 2017
    • Hitachi Koki Co., Ltd.
    • Takafumi Itoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Portable electric driver body
    • Patent number D785427
    • Issue date May 2, 2017
    • Hitachi Koki Co., Ltd.
    • Shingo Kosugi
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric driver
    • Patent number D777545
    • Issue date Jan 31, 2017
    • Hitachi Koki Co., Ltd.
    • Shingo Kosugi
    • D08 - Tools and hardware
  • Information Patent Grant

    Power tool
    • Patent number 9,505,120
    • Issue date Nov 29, 2016
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Portable electric driver
    • Patent number D761069
    • Issue date Jul 12, 2016
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric driver
    • Patent number D749389
    • Issue date Feb 16, 2016
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Floodlight
    • Patent number D744139
    • Issue date Nov 24, 2015
    • Hitachi Koki Co., Ltd.
    • Takafumi Itoh
    • D26 - Lighting
  • Information Patent Grant

    Portable electric driver
    • Patent number D735006
    • Issue date Jul 28, 2015
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Radio receiver
    • Patent number D726142
    • Issue date Apr 7, 2015
    • Hitachi Koki Co., Ltd.
    • Takafumi Itoh
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Portable electric driver
    • Patent number D721938
    • Issue date Feb 3, 2015
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric hammer drill
    • Patent number D719428
    • Issue date Dec 16, 2014
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric driver
    • Patent number D715617
    • Issue date Oct 21, 2014
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Chain saw
    • Patent number D701102
    • Issue date Mar 18, 2014
    • Hitachi Koki Co., Ltd.
    • Takafumi Itoh
    • D08 - Tools and hardware
  • Information Patent Grant

    Rechargeable battery
    • Patent number D699672
    • Issue date Feb 18, 2014
    • Hitachi Koki Co., Ltd.
    • Shingo Kosugi
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Portable electric driver
    • Patent number D678744
    • Issue date Mar 26, 2013
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric driver
    • Patent number D678024
    • Issue date Mar 19, 2013
    • Hitachi Koki Co., Ltd.
    • Takeshi Taniguchi
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable plane
    • Patent number D678023
    • Issue date Mar 19, 2013
    • Hitachi Koki Co., Ltd.
    • Takafumi Itoh
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric driver
    • Patent number D675500
    • Issue date Feb 5, 2013
    • Hitachi Koki Co., Ltd.
    • Takeshi Taniguchi
    • D08 - Tools and hardware
  • Information Patent Grant

    Power supply device
    • Patent number D668608
    • Issue date Oct 9, 2012
    • Hitachi Koki Co., Ltd.
    • Takafumi Itoh
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Air compressor
    • Patent number D667467
    • Issue date Sep 18, 2012
    • Hitachi Koki Co., Ltd.
    • Shingo Kosugi
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    DC-AC inverter
    • Patent number D655245
    • Issue date Mar 6, 2012
    • Hitachi Koki Co., Ltd.
    • Takafumi Itoh
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Portable electric hammer drill
    • Patent number D645318
    • Issue date Sep 20, 2011
    • Hitachi Koki Co., Ltd.
    • Takeshi Taniguchi
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable electric circular saw
    • Patent number D638681
    • Issue date May 31, 2011
    • Hitachi Koki Co., Ltd.
    • Kenichi Yamada
    • D08 - Tools and hardware

Patents Applicationslast 30 patents

  • Information Patent Application

    ILLUMINATING DEVICE
    • Publication number 20150276182
    • Publication date Oct 1, 2015
    • Hitachi Koki Co., Ltd.
    • Yoshiki AOKI
    • F21 - LIGHTING
  • Information Patent Application

    ELECTRIC DEVICE
    • Publication number 20150043138
    • Publication date Feb 12, 2015
    • Hitachi Koki Co., Ltd.
    • Takafumi Itoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTRIC DEVICE OUTPUTTING LIGHT, WIND, HEAT OR SOUND
    • Publication number 20140313706
    • Publication date Oct 23, 2014
    • Hitachi Koki Co., Ltd.
    • Takafumi Itoh
    • F21 - LIGHTING
  • Information Patent Application

    POWER TOOL
    • Publication number 20140174778
    • Publication date Jun 26, 2014
    • Hitachi Koki Co., Ltd.
    • Yoshiki Aoki
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS