Patents by Inventor Kenichi Shinzaki

Kenichi Shinzaki 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).

  • Patent number: 7476230
    Abstract: In an intraocular-lens insertion device for deforming a deformable intraocular lens to a smaller size and inserting the intraocular lens into an eye via an insertion tube, the insertion tube has such an inner wall shape as to cause the deformable intraocular lens to move rotationally about an insertion tube axis by a predetermined angle in the course of axial movement.
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: January 13, 2009
    Assignee: STAAR Japan Inc.
    Inventors: Kenichiro Ohno, Kenichi Shinzaki, Takashi Masuda
  • Publication number: 20070270881
    Abstract: An insertion device for an intraocular lens is disclosed which capable of pushing out the lens into an eye by a pushing shaft directly from a state in which the lens is stored. The device comprises a lens holding portion, and a pushing shaft moving the lens from the lens holding portion. The lens holding portion includes first and second holding portions allowed to contact surfaces opposite to each other of a marginal portion of the lens. The first holding portion is allowed to contact regions rearward from positions having a first circumferential angle of larger than 45° and smaller than 70° to both circumferential sides from a 0° position in the marginal portion. The second holding portion is allowed to contact regions rearward from positions having a second circumferential angle larger than the first circumferential angle in the marginal portion.
    Type: Application
    Filed: May 16, 2007
    Publication date: November 22, 2007
    Inventors: Yasuhiro HISHINUMA, Kenichiro Ohno, Kenichi Shinzaki, Mitsuru Wakatsuki
  • Publication number: 20050075646
    Abstract: In an intraocular-lens insertion device for deforming a deformable intraocular lens to a smaller size and inserting the intraocular lens into an eye via an insertion tube, the insertion tube has such an inner wall shape as to cause the deformable intraocular lens to move rotationally about an insertion tube axis by a predetermined angle in the course of axial movement.
    Type: Application
    Filed: September 27, 2004
    Publication date: April 7, 2005
    Inventors: Kenichiro Ohno, Kenichi Shinzaki, Takashi Masuda