Hisashi Kojyou

Person

  • Yatsushiro, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Mandrel for cooling

    • Patent number 5,667,813
    • Issue date Sep 16, 1997
    • Kohjin Co., Ltd.
    • Tomozi Mizutani
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Mandrel for cooling

    • Patent number 5,593,703
    • Issue date Jan 14, 1997
    • Kohjin Co., Ltd.
    • Tomozi Mizutani
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL