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Kazuhiro Umenaka

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rectangular-bottomed packaging bag, and method for manufacturing re...
    • Patent number 12,103,737
    • Issue date Oct 1, 2024
    • Hosokawa Yoko Co., Ltd.
    • Raizo Kuge
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Bag making machine and bag making method
    • Patent number 11,731,387
    • Issue date Aug 22, 2023
    • Hosokawa Yoko Co., Ltd.
    • Shintaro Nobe
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Spout-equipped packaging bag and manufacturing method therefor, and...
    • Patent number 11,655,089
    • Issue date May 23, 2023
    • Hosokawa Yoko Co., Ltd.
    • Kazuhiro Umenaka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pouch
    • Patent number D960714
    • Issue date Aug 16, 2022
    • Hosokawa Yoko Co., Ltd.
    • Kazuhiro Umenaka
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Pouch
    • Patent number D960716
    • Issue date Aug 16, 2022
    • Hosokawa Yoko Co., Ltd.
    • Kazuhiro Umenaka
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Structure of mouth plug portion, and package
    • Patent number 11,254,475
    • Issue date Feb 22, 2022
    • Hosokawa Yoko Co., Ltd.
    • Kazuhiro Umenaka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Self-standing bag and method for manufacturing the same
    • Patent number 10,968,020
    • Issue date Apr 6, 2021
    • Hosokawa Yoko Co., Ltd.
    • Kazuhiro Umenaka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Container cap for package
    • Patent number D842698
    • Issue date Mar 12, 2019
    • Lotte Co., Ltd.
    • Yuichiro Moriyama
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Gusset bag with spout
    • Patent number 9,981,793
    • Issue date May 29, 2018
    • Hosokawa Yoko Co., Ltd.
    • Toshikazu Kenmotsu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Check valve, check valve assembly and vessel equipped with check valve
    • Patent number 9,938,064
    • Issue date Apr 10, 2018
    • Hosokawa Yoko Co., Ltd.
    • Kazuhiro Umenaka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Gusset bag, spout-attached gusset bag, and method of manufacturing...
    • Patent number 9,630,759
    • Issue date Apr 25, 2017
    • Hosokawa Yoko Co., Ltd.
    • Raizo Kuge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Bag with port member and connection structure thereof
    • Patent number 8,956,046
    • Issue date Feb 17, 2015
    • Hosokawa Yoko Co., Ltd.
    • Kazuhiro Umenaka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Self-standing bag, production method thereof, and self-standing bag...
    • Patent number 8,834,024
    • Issue date Sep 16, 2014
    • Hosokawa Yoko Co., Ltd.
    • Kazuhiro Umenaka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Sealing mechanism for a cylindrical container opening using a cap h...
    • Patent number 8,757,410
    • Issue date Jun 24, 2014
    • Hosokawa Yoko Co., Ltd.
    • Hiroaki Takashima
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Packaging bag with fastener
    • Patent number 8,641,279
    • Issue date Feb 4, 2014
    • Hosokawa Yoko Co., Ltd.
    • Toru Ichikawa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Spout and container with spout
    • Patent number 8,561,843
    • Issue date Oct 22, 2013
    • Hosokawa Yoko Co., Ltd.
    • Kazuhiro Umenaka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pouch
    • Patent number D676763
    • Issue date Feb 26, 2013
    • Hosokawa Yoko Co., Ltd.
    • Toshikazu Kenmotsu
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Pouch
    • Patent number D660720
    • Issue date May 29, 2012
    • Hosokawa Yoko Co., Ltd.
    • Kazuhiro Umenaka
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Pouch
    • Patent number D658075
    • Issue date Apr 24, 2012
    • Hosokawa Yoko Co., Ltd.
    • Kazuhiro Umenaka
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Spout unit and bag using the same
    • Patent number 7,753,233
    • Issue date Jul 13, 2010
    • Hosokawa Yoko Co., Ltd.
    • Kazuhiro Umenaka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Open/close cap and manufacturing method thereof
    • Patent number 7,735,666
    • Issue date Jun 15, 2010
    • Hosokawa Yoko Co., Ltd.
    • Susumu Niwa
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents