Patents by Inventor Toshinao Hata

Toshinao Hata 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).

  • Perfusate preparation for ophthalmic operation
    Patent number: 6495598
    Abstract: A one-pack preparation of irrigating solution for ocular surgery of cataract, glaucoma or intraocular lens transplantation, which is excellent in the protection of ophthalmic tissues and endothelial cells during and after the operation and has a high in vivo stability. The preparation comprises an aqueous solution containing at least one compound selected from D-3-hydroxybutyric acid and water-soluble salts thereof, at least one compound selected from water-soluble bicarbonates, phosphoric acid and water-soluble phosphates, a water-soluble calcium salt, and a water-soluble magnesium salt.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: December 17, 2002
    Assignee: Ophtecs Corporation
    Inventors: Toyoaki Yoneda, Nobuhisa Naoi, Hiroaki Miichi, Shigeru Nakamura, Toshinao Hata, Fumio Saito, Takeshi Ohnuma