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Kenji Yoshiga

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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermal expansion valve
    • Patent number 5,005,370
    • Issue date Apr 9, 1991
    • Fuji Koki Mfg. Co. Ltd.
    • Hazime Tanaka
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method of forming a groove in a valve seat and the tool used in thi...
    • Patent number 4,612,795
    • Issue date Sep 23, 1986
    • Fuji Koki Manufacturing Co., Ltd.
    • Kenji Yoshiga
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Motor-driven expansion valve
    • Patent number 4,556,193
    • Issue date Dec 3, 1985
    • Fuji Koki Manufacturing Co., Ltd.
    • Kenji Yoshiga
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Bimetal driven control valve
    • Patent number 4,484,725
    • Issue date Nov 27, 1984
    • Fuji Koki Manufacturing Co., Ltd.
    • Kenji Yoshiga
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...