Patents by Inventor Sakichi Hasegawa

Sakichi Hasegawa 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: 8328774
    Abstract: A jig and a cooling fluid injection tool are provided for use in the correction of corneal shape of an eyeball. Correction of the eyeball takes place while the cornea is warmed. The jig includes a shape retention part of a sucking disc configuration having an inner surface side that contacts the eyeball and a grip part formed on an outer surface side of the shape retention part. An inner surface-sided cornea contacting section of the shape retention part is flattened and a cooling fluid injection hole passing through the grip part is formed in the center of the shape retention part with a diameter large enough for a wearer to see outside.
    Type: Grant
    Filed: May 26, 2008
    Date of Patent: December 11, 2012
    Inventors: Tokuichiro Hasegawa, Sakichi Hasegawa
  • Publication number: 20110166535
    Abstract: A jig and a cooling fluid injection tool that are used in the correction of corneal shape conducted while the cornea of the eyeball is warmed and softened are provided. The vision corrective jig 1 comprises a shape retention part 2 of sucking disc configuration with its inner surface side contacting with the eyeball and a grip part 3 formed on the outer surface side of the shape retention part. The inner surface-sided cornea contacting section 2a of the shape retention part 2 is flattened and a cooling fluid injection hole 4 passing through the grip part 3 is formed in the center of the shape retention part 3. The cooling fluid injection hole 4 has a diameter being large enough for a wearer to see outside through the cooling fluid injection hole 4. The grip part 3 is integrally formed on the outer surface side of the shape retention part 2 in a button shape.
    Type: Application
    Filed: May 26, 2008
    Publication date: July 7, 2011
    Inventors: Tokuichiro Hasegawa, Sakichi Hasegawa