Isao Nagai

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Oviduct closing apparatus

    • Patent number 4,805,618
    • Issue date Feb 21, 1989
    • Olympus Optical Co., Ltd.
    • Yasuhiro Ueda
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE