Kenichi Onda

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Noise control devices

    • Patent number 4,156,476
    • Issue date May 29, 1979
    • Bridgestone Tire Company Limited
    • Masayasu Matsumoto
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES