Hiroshi Kumamoto

Person

  • Kitakyushu-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Counterweight and method for recycling the same

    • Patent number 7,328,863
    • Issue date Feb 12, 2008
    • Shin Caterpillar Mitsubishi Ltd.
    • Norio Nakajima
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents