Patents by Inventor Hirofumi Sakita

Hirofumi Sakita 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).

  • Cell sampler
    Patent number: 4981143
    Abstract: A cell sampler obtaining specimens of cells for cytodiagnosis comprises stick-shaped handle which has at one end thereof a stick-shaped abrading segment with a multiplicity of edges formed around the periphery thereof for the purpose of scraping off cells from the cervical canal of the uterus.Such cell sampler enable, with ease and certainly, to obtain cells from the cervical canal for cytology by scraping off with edges thereon.
    Type: Grant
    Filed: August 13, 1987
    Date of Patent: January 1, 1991
    Assignee: Anne Company Limited
    Inventors: Hirofumi Sakita, Takuji Ikesue