TREA

Tokan Kogyo Co., Ltd.

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Paper lid production method
    • Patent number 11,691,373
    • Issue date Jul 4, 2023
    • Tokan Kogyo Co., Ltd.
    • Yusuke Tanaka
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Paper lid
    • Patent number 11,572,220
    • Issue date Feb 7, 2023
    • Tokan Kogyo Co., Ltd.
    • Yusuke Tanaka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Three-dimensional body, container, and method for manufacturing con...
    • Patent number 11,180,277
    • Issue date Nov 23, 2021
    • Tokan Kogyo Co., Ltd.
    • Kazuhisa Tamura
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Molded paper body with minimal wrinkling and forming method thereof
    • Patent number 10,518,925
    • Issue date Dec 31, 2019
    • Toyo Seikan Group Holdings, Ltd.
    • Ichiro Kunihiro
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Container sealing device
    • Patent number 10,086,980
    • Issue date Oct 2, 2018
    • Tokan Kogyo Co., Ltd.
    • Takamitsu Isogai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Container sealing device
    • Patent number 10,029,832
    • Issue date Jul 24, 2018
    • Tokan Kogyo Co., Ltd.
    • Takamitsu Isogai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Container sealing device
    • Patent number 9,963,263
    • Issue date May 8, 2018
    • Tokan Kogyo Co., Ltd.
    • Takamitsu Isogai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Cap assembly and method for capping same
    • Patent number 9,862,528
    • Issue date Jan 9, 2018
    • Tokan Kogyo Co., Ltd.
    • Takamitsu Isogai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method of producing pressed paper piece and apparatus therefor
    • Patent number 9,630,372
    • Issue date Apr 25, 2017
    • Toyo Seikan Group Holdings, Ltd.
    • Kenichi Takao
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Thermal insulation foamed sheet, thermal insulation foamed containe...
    • Patent number 8,636,930
    • Issue date Jan 28, 2014
    • Tokan Kogyo Co., Ltd.
    • Osamu Chujo
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Cap and covered container
    • Patent number 8,496,129
    • Issue date Jul 30, 2013
    • Tokan Kogyo Co, Ltd.
    • Takamitsu Isogai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Heat insulated container
    • Patent number 8,286,824
    • Issue date Oct 16, 2012
    • Tokan Kogyo Co., Ltd.
    • Shigeki Ikeda
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Cap and covered container
    • Patent number 8,235,232
    • Issue date Aug 7, 2012
    • Tokan Kogyo Co., Ltd.
    • Takamitsu Isogai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Swizzle stick
    • Patent number D590650
    • Issue date Apr 21, 2009
    • Tokan Kogyo Co., Ltd.
    • Kenji Aoki
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Liquid dispensing bag and quantitative chamber forming jig for liqu...
    • Patent number 5,791,521
    • Issue date Aug 11, 1998
    • Tokan Kogyo Co., Ltd.
    • Masuo Kitamura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Synthetic resin vessel and heat sealed lid
    • Patent number 4,605,142
    • Issue date Aug 12, 1986
    • Toyo Seikan Kaisha, Ltd.
    • Shoji Itoh
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method and apparatus for producing a multi-layer laminated resin film
    • Patent number 4,476,080
    • Issue date Oct 9, 1984
    • Toyo Seikan Kaisha Ltd.
    • Hirohisa Komoda
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Multi-layer laminated resin film
    • Patent number 4,410,602
    • Issue date Oct 18, 1983
    • Toyo Seikan Kaisha Ltd.
    • Hirohisa Komoda
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Opening means having cutting guide
    • Patent number 4,408,697
    • Issue date Oct 11, 1983
    • Tokan Kogyo Co., Ltd.
    • Tsukasa Yoshikawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing a double-walled paper container
    • Patent number 4,325,905
    • Issue date Apr 20, 1982
    • Tokan Kogyo Co., Ltd.
    • Keiichi Takahashi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Easily openable cover member
    • Patent number 4,324,342
    • Issue date Apr 13, 1982
    • Tokan Kogyo Kabushiki Kaisha
    • Kisaburo Yamaguchi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Easily openable cover member
    • Patent number 4,324,341
    • Issue date Apr 13, 1982
    • Tokan Kogyo Kabushiki Kaisha
    • Kisaburo Yamaguchi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Process for making a container cover member having synthetic resin...
    • Patent number 4,309,952
    • Issue date Jan 12, 1982
    • Tokan Kogyo Co., Ltd.
    • Keiichi Takahashi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Easily openable cover member
    • Patent number 4,256,239
    • Issue date Mar 17, 1981
    • Tokan Kogyo Kabushiki Kaisha
    • Kisaburo Yamaguchi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Container cover member having synthetic resin openable portion
    • Patent number 4,244,491
    • Issue date Jan 13, 1981
    • Tokan Kogyo Co., Ltd.
    • Keiichi Takahashi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Process for producing thermoplastic multi-walled pipes
    • Patent number 4,236,953
    • Issue date Dec 2, 1980
    • Tokan Kogyo Co., Ltd.
    • Keiichi Takahashi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Thermoplastic multi-walled pipes
    • Patent number 4,157,194
    • Issue date Jun 5, 1979
    • Tokan Kogyo Co., Ltd.
    • Keiichi Takahashi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Container cover member having synthetic resin openable portion and...
    • Patent number 4,155,481
    • Issue date May 22, 1979
    • Tokan Kogyo Co., Ltd.
    • Keiichi Takahashi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTAINER MOLDING METHOD AND DEVICE THEREFOR
    • Publication number 20230182429
    • Publication date Jun 15, 2023
    • TOKAN KOGYO CO., LTD
    • Shinichiro KURIHARA
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Application

    PAPER LID PRODUCTION METHOD
    • Publication number 20210237387
    • Publication date Aug 5, 2021
    • TOKAN KOGYO CO., LTD
    • Yusuke TANAKA
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Application

    PAPER LID
    • Publication number 20210237945
    • Publication date Aug 5, 2021
    • TOKAN KOGYO CO., LTD
    • Yusuke TANAKA
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    CYLINDRICAL BODY, CONTAINER, AND METHOD FOR MANUFACTURING CONTAINER
    • Publication number 20200207505
    • Publication date Jul 2, 2020
    • TOKAN KOGYO CO., LTD
    • Kazuhisa Tamura
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Application

    CONTAINER SEALING DEVICE
    • Publication number 20160288967
    • Publication date Oct 6, 2016
    • TOKAN KOGYO CO., LTD
    • Takamitsu Isogai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    CAP ASSEMBLY AND METHOD FOR CAPPING SAME
    • Publication number 20160244224
    • Publication date Aug 25, 2016
    • TOKAN KOGYO CO., LTD
    • Takamitsu ISOGAI
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    CAP ASSEMBLY AND METHOD FOR ASSEMBLING SAME
    • Publication number 20160167849
    • Publication date Jun 16, 2016
    • TOKAN KOGYO CO., LTD.
    • Takamitsu ISOGAI
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    CONTAINER SEALING DEVICE
    • Publication number 20150353247
    • Publication date Dec 10, 2015
    • TOKAN KOGYO CO., LTD.
    • Takamitsu Isogai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    CONTAINER SEALING DEVICE
    • Publication number 20150321798
    • Publication date Nov 12, 2015
    • TOKAN KOGYO CO., LTD.
    • Takamitsu Isogai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    METHOD OF PRODUCING PRESSED PAPER PIECE AND APPARATUS THEREFOR
    • Publication number 20150008621
    • Publication date Jan 8, 2015
    • TOYO SEIKAN GROUP HOLDINGS, LTD.
    • Kenichi Takao
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Application

    MOLDED PAPER BODY WITH MINIMAL WRINKLING AND FORMING METHOD THEREOF
    • Publication number 20140255630
    • Publication date Sep 11, 2014
    • TOYO SEIKAN GROUP HOLDINGS, LTD.
    • Ichiro Kunihiro
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Application

    HEAT INSULATING CONTAINER
    • Publication number 20140084015
    • Publication date Mar 27, 2014
    • TOKAN KOGYO CO., LTD
    • Shigeki Ikeda
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    CAP AND COVERED CONTAINER
    • Publication number 20120285922
    • Publication date Nov 15, 2012
    • TOKAN KOGYO CO., LTD
    • Takamitsu Isogai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    HEAT INSULATED CONTAINER
    • Publication number 20100224637
    • Publication date Sep 9, 2010
    • TOKAN KOGYO CO., LTD
    • Shigeki Ikeda
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    CAP AND COVERED CONTAINER
    • Publication number 20090308834
    • Publication date Dec 17, 2009
    • TOKAN KOGYO CO., LTD
    • Takamitsu Isogai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    THERMAL INSULATION FOAMED SHEET, THERMAL INSULATION FOAMED CONTAINE...
    • Publication number 20090081393
    • Publication date Mar 26, 2009
    • TOKAN KOGYO CO., LTD
    • Osamu Chujo
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Thermal insulation foamed sheet, thermal insulation foamed containe...
    • Publication number 20060165970
    • Publication date Jul 27, 2006
    • TOKAN KOGYO CO., LTD
    • Osamu Chujo
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL