TREA

Kei Hattori

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sliding member and method for producing same
    • Patent number 11,007,572
    • Issue date May 18, 2021
    • NTN Corporation
    • Yoshinori Ito
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Waveguide slot antenna and method for producing same
    • Patent number 10,355,364
    • Issue date Jul 16, 2019
    • NTN Corporation
    • Tomokazu Sonozaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Transverse internal gear pump
    • Patent number 10,221,851
    • Issue date Mar 5, 2019
    • NTN Corporation
    • Takuya Ishii
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal gear pump
    • Patent number 9,810,215
    • Issue date Nov 7, 2017
    • NTN Corporation
    • Takuya Ishii
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Sliding bearing and image forming apparatus
    • Patent number 9,458,885
    • Issue date Oct 4, 2016
    • NTN Corporation
    • Takuya Ishii
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ion implantation apparatus and method of determining state of ion i...
    • Patent number 9,269,540
    • Issue date Feb 23, 2016
    • Kabushiki Kaisha Toshiba
    • Masayuki Jinguuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Surface treatment method, etching method, and method for manufactur...
    • Patent number 8,021,565
    • Issue date Sep 20, 2011
    • Kabushiki Kaisha Toshiba
    • Katsuaki Aoki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Plasma processing apparatus and method
    • Patent number 6,274,507
    • Issue date Aug 14, 2001
    • Kabushiki Kaisha Toshiba
    • Masaki Narita
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Electrostatic chucking device
    • Patent number 5,851,641
    • Issue date Dec 22, 1998
    • Tomoegawa Paper Co., Ltd.
    • Tadao Matsunaga
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Metal film etching method
    • Patent number 5,846,886
    • Issue date Dec 8, 1998
    • Kabushiki Kaisha Toshiba
    • Kei Hattori
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Electrostatic chucking device
    • Patent number 5,645,921
    • Issue date Jul 8, 1997
    • Tomoegawa Paper Co., Ltd.
    • Tadao Matsunaga
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Dry etching method
    • Patent number 5,411,631
    • Issue date May 2, 1995
    • Tokyo Electron Limited
    • Masaru Hori
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Electrostatic chucking method
    • Patent number 5,221,450
    • Issue date Jun 22, 1993
    • Kabushiki Kaisha Toshiba
    • Kei Hattori
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    INTERNAL GEAR PUMP
    • Publication number 20180274539
    • Publication date Sep 27, 2018
    • NTN Corporation
    • Hajime ASADA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WAVEGUIDE SLOT ANTENNA AND METHOD FOR PRODUCING SAME
    • Publication number 20180254563
    • Publication date Sep 6, 2018
    • NTN Corporation
    • Tomokazu SONOZAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SLIDING MEMBER AND METHOD FOR PRODUCING SAME
    • Publication number 20180236553
    • Publication date Aug 23, 2018
    • NTN CORPORATION
    • Yoshinori ITO
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    TRANSVERSE INTERNAL GEAR PUMP
    • Publication number 20160348675
    • Publication date Dec 1, 2016
    • NTN CORPORATION
    • Takuya ISHII
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR PUMP
    • Publication number 20150204325
    • Publication date Jul 23, 2015
    • NTN Corporation
    • Takuya Ishii
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ION IMPLANTATION APPARATUS AND METHOD OF DETERMINING STATE OF ION I...
    • Publication number 20140242732
    • Publication date Aug 28, 2014
    • KABUSHIKI KAISHA TOSHIBA
    • Masayuki Jinguuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SLIDING BEARING AND IMAGE FORMING APPARATUS
    • Publication number 20140226927
    • Publication date Aug 14, 2014
    • Takuya Ishii
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    SURFACE TREATMENT METHOD, ETCHING METHOD, AND METHOD FOR MANUFACTUR...
    • Publication number 20090000640
    • Publication date Jan 1, 2009
    • Kabushiki Kaisha Toshiba
    • Katsuaki Aoki
    • H01 - BASIC ELECTRIC ELEMENTS