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Katsunobu Hagiwara

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Patents Grantslast 30 patents

  • Information Patent Grant

    Kneading rotor, batch kneader and method of kneading materials
    • Patent number 8,926,166
    • Issue date Jan 6, 2015
    • Kobe Steel, Ltd.
    • Norifumi Yoshida
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Closed kneading machine and kneading rotor
    • Patent number 8,882,337
    • Issue date Nov 11, 2014
    • Kobe Steel, Ltd.
    • Norifumi Yoshida
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Coupling apparatus and kneading equipment having kneading apparatus...
    • Patent number 8,714,806
    • Issue date May 6, 2014
    • Kobe Steel, Ltd.
    • Masaki Naoi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Batch mixer and mixing rotor used in the same
    • Patent number 7,854,542
    • Issue date Dec 21, 2010
    • Kobe Steel, Ltd.
    • Kimio Inoue
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Roller head extruder unit
    • Patent number 5,607,703
    • Issue date Mar 4, 1997
    • Kabushiki Kaisha Kobe Seiko Sho
    • Kenji Sakai
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Rim clamping device for a tire uniformity machine
    • Patent number 5,562,358
    • Issue date Oct 8, 1996
    • Kabushiki Kaisha Kobe Seiko Sho
    • Masayoshi Okamoto
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Batch type kneader having specified parameters and chamfered lands
    • Patent number 5,520,455
    • Issue date May 28, 1996
    • Kabushiki Kaisha Kobeseikosho
    • Norifumi Yamada
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Internal mixer having two speed gearing
    • Patent number 5,372,419
    • Issue date Dec 13, 1994
    • Kabushiki Kaisha Kobe Seiko Sho
    • Katsunobu Hagiwara
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Roller head opening and closing apparatus in roller head extruder
    • Patent number 4,986,745
    • Issue date Jan 22, 1991
    • Kabushiki Kaisha Kobe Seiko Sho
    • Katsunobu Hagiwara
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Closed mixing machine
    • Patent number 4,859,074
    • Issue date Aug 22, 1989
    • Kabushiki Kaisha Kobe Seiko Sho
    • Toshihiro Asai
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Closed mixing machine
    • Patent number 4,718,771
    • Issue date Jan 12, 1988
    • Kabushiki Kaisha Kobe Seiko Sho
    • Toshihiro Asai
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Extruder with roller die
    • Patent number 4,304,539
    • Issue date Dec 8, 1981
    • Kobe Steel, Ltd.
    • Katsunobu Hagiwara
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents