Patents by Inventor Tomomitsu Tatsuishi

Tomomitsu Tatsuishi 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).

  • Single piece intraocular lens and method for producing same
    Publication number: 20060122700
    Abstract: Single-piece type intraocular lens includes a stepped part provided in a boundary between an optic portion 1 and support portions in the posterior 1b of the optic portion 1, in such a way that the surface of a part shifting to the region of the support portion from the region of the optic portion shifts suddenly toward the anterior of the optic portion.
    Type: Application
    Filed: April 28, 2004
    Publication date: June 8, 2006
    Applicant: HOYA CORPORATION
    Inventors: Daijiro Kurosaka, Akihiko Shibuya, Kikuo Mitomo, Tomomitsu Tatsuishi
  • Storage case having soft intraocular lens folding function
    Patent number: 6786911
    Abstract: A storage case having a soft intraocular lens folding function, which has a constitution with excellent reliability and manufacturability, is capable of sterilely storing an intraocular lens produced in a production line without damaging it until a time of surgery, and enables an operator to perform an operation of picking a soft intraocular lens L with an extractor with ease and reliability, is provided. In the storage case having a soft intraocular lens folding function, which includes a base part 10, a movable part 40 and a lid part 70, the aforementioned base part 10 is slidably joined to the aforementioned movable part 40, and the lid part 70 is attachably and detachably fitted therein, thus making it possible to store the lens L sterilely without damaging it, and during a surgery, the lens L can be folded with ease and reliability by pressing a lever portion 42 at the movable part 40.
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: September 7, 2004
    Assignee: Hoya Healthcare Corporation
    Inventors: Kikuo Mitomo, Tomomitsu Tatsuishi
  • Storage case having soft intraocular lens folding funtion
    Publication number: 20030209452
    Abstract: A storage case having a soft intraocular lens folding function, which has a constitution with excellent reliability and manufacturability, is capable of sterilely storing an intraocular lens produced in a production line without damaging it until a time of surgery, and enables an operator to perform an operation of picking a soft intraocular lens L with an extractor with ease and reliability, is provided. In the storage case having a soft intraocular lens folding function, which includes a base part 10, a movable part 40 and a lid part 70, the aforementioned base part 10 is slidably joined to the aforementioned movable part 40, and the lid part 70 is attachably and detachably fitted therein, thus making it possible to store the lens L sterilely without damaging it, and during a surgery, the lens L can be folded with ease and reliability by pressing a lever portion 42 at the movable part 40.
    Type: Application
    Filed: July 25, 2002
    Publication date: November 13, 2003
    Inventors: Kikuo Mitomo, Tomomitsu Tatsuishi