Saburo Okumura

Person

  • Amagasaki, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for precision casting

    • Patent number 4,421,152
    • Issue date Dec 20, 1983
    • Sansha Electric Mfg. Co., Ltd.
    • Tsutomu Shinkawa
    • B22 - CASTING POWDER METALLURGY