Keiji Asatsuma

Person

  • Niigata, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic tires

    • Patent number 5,187,223
    • Issue date Feb 16, 1993
    • Asahi Carbon Co., Ltd.
    • Keiji Asatsuma
    • C01 - INORGANIC CHEMISTRY