Mitsuru Ishii

Person

  • Higashi-yamato, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Piezoelectric ceramics

    • Patent number 4,243,541
    • Issue date Jan 6, 1981
    • Hitachi, Ltd.
    • Hiroshi Takeuchi
    • H01 - BASIC ELECTRIC ELEMENTS