Patents by Inventor Toshikatsu Masaki

Toshikatsu Masaki 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).

  • Tray for identifying microorganisms for use in a digital moving map display
    Patent number: 4378438
    Abstract: A tray for identifying isolated microorganisms consisting of a plastic or glass tray body and a transparent cover, the body surface of which has two kinds of hollows for bacterial suspensions. One is formed horizontally across the surface of the tray and the other is composed of number of small wells long and slender, put parallel and rectangular to previous hollow. Each of the small cells communicates over crest barrier to hollow put horizontally. With this tray, microorganisms can be exactly and easily identified.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: March 29, 1983
    Assignee: Eiken Chemical Co., Ltd.
    Inventors: Toshikatsu Masaki, Seiji Enomoto, Michiya Kimura