Joji Watanabe

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Tandem seal device

    • Patent number 8,585,060
    • Issue date Nov 19, 2013
    • Eagle Industry Co., Ltd.
    • Yoji Oshii
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...