Patents by Inventor Ryochi Enishi

Ryochi Enishi 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).

  • Tissue splitting biopsy needle
    Patent number: 9381001
    Abstract: Tissue splitting biopsy devices and methods use a needle portion and a sheath portion that are configured such as to allow simultaneous sectioning of a tissue to produce two tissue samples with corresponding surfaces using motion of the needle portion relative to the sheath portion. Most preferably, the needle portion has a chisel blade tip and at least two cavities opposite to each other and at the same distance from the tip, while the sheath portion has a sharpened front edge.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: July 5, 2016
    Assignee: EPITOME PHARMACEUTICALS LIMITED
    Inventors: Paul T. Wegener, Ryochi Enishi, Saverio Bettuzzi, Takeyoshi Sakashita
  • TISSUE SPLITTING BIOPSY NEEDLE
    Publication number: 20150238173
    Abstract: Tissue splitting biopsy devices and methods use a needle portion and a sheath portion that are configured such as to allow simultaneous sectioning of a tissue to produce two tissue samples with corresponding surfaces using motion of the needle portion relative to the sheath portion. Most preferably, the needle portion has a chisel blade tip and at least two cavities opposite to each other and at the same distance from the tip, while the sheath portion has a sharpened front edge.
    Type: Application
    Filed: May 8, 2015
    Publication date: August 27, 2015
    Inventors: Paul T. Wegener, Ryochi Enishi, Saverio Bettuzzi, Takeyoshi Sakashita
  • Tissue Splitting Biopsy Needle
    Publication number: 20110190661
    Abstract: Tissue splitting biopsy devices and methods use a needle portion and a sheath portion that are configured such as to allow simultaneous sectioning of a tissue to produce two tissue samples with corresponding surfaces using motion of the needle portion relative to the sheath portion. Most preferably, the needle portion has a chisel blade tip and at least two cavities opposite to each other and at the same distance from the tip, while the sheath portion has a sharpened front edge.
    Type: Application
    Filed: October 24, 2008
    Publication date: August 4, 2011
    Applicant: EPITOME PHARMACEUTICALS LIMITED
    Inventors: Paul T. Wegener, Ryochi Enishi, Saverio Bettuzzi, Takeyoshi Sakashita