Patents by Inventor Masumi Nukumi

Masumi Nukumi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Automatic bacterial colony transfer apparatus
    Patent number: 4613573
    Abstract: An apparatus for automatically transferring a desired one of bacterial colonies grown in a medium in a culture Petri dish onto a medium in a test Petri dish or a test tube by using a bacterial colony pick-up/transfer element of the disposable type or a bacterial colony pick-up/transfer element of the reuse type and by using various mechanisms controlled by a computer.
    Type: Grant
    Filed: May 17, 1983
    Date of Patent: September 23, 1986
    Assignees: Hitachi, Ltd., Hitachi Electronics Engineering Co., Ltd.
    Inventors: Katsujiro Shibayama, Fukuo Iwaya, Kensaku Takahashi, Masumi Nukumi, Tatuhito Tuji, Michio Okuma, Yoji Odawara