Patents by Inventor Teruo Ohuchi

Teruo Ohuchi 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).

  • Twisted wire brush with threaded assembly for collecting cells
    Patent number: 4108162
    Abstract: A scraper brush for collecting cells from internal body passages includes a twisted wire root portion 2 mounting hairy fibers 1 between the twisted wires, and a flexible wire winding 4. A tip portion 5 of the winding 4 is stretched to present an increased pitch, and the root portion is threaded into the tip portion with the lay of the twisted wires matching the increased pitch. An additional stretched portion 5b may be provided to increase the flexibility of the brush.
    Type: Grant
    Filed: December 21, 1976
    Date of Patent: August 22, 1978
    Inventors: Kiyoshi Chikashige, Teruo Ohuchi