Patents by Inventor Katumi Omata

Katumi Omata 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).

  • Injection needle assembly for endoscope
    Patent number: 4668226
    Abstract: An injection needle assembly has an elongate, flexible liquid feed tube adapted to be inserted into the insertion channel of an endoscope. A needle is fixed to the distal end of the tube and adapted to be stuck in the body wall. A rigid connecting pipe is fixed on the outer surface of the proximal end portion of the tube. The connecting pipe is fixedly inserted into a fitting portion of a connector.
    Type: Grant
    Filed: October 2, 1985
    Date of Patent: May 26, 1987
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Katumi Omata, Tetsuji Ishida
  • Method of manufacturing cytodiagnostic brush assembly
    Patent number: 4361948
    Abstract: A method of manufacturing a cytodiagnostic brush assembly comprises forming a sleeve, which is used to cover and fix the end of a strand or strands which form a brush, by a drawing operation, whereby the sleeve is secured to the strands.
    Type: Grant
    Filed: June 6, 1980
    Date of Patent: December 7, 1982
    Assignee: Olympus Optical Company Ltd.
    Inventor: Katumi Omata