Patents by Inventor Haruka Otsuki

Haruka Otsuki 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).

  • Dental adhesive kit
    Patent number: 6288138
    Abstract: A kit for dental adhesive comprising a radical polymerizable monomer having an acid group in the molecule, a photosensitizer and/or a peroxide, a water-soluble organic solvent, an organic sulfinic acid and/or a salt thereof or a barbituric acid and/or a derivative thereof, and water. The kit may further comprises a radical polymerizable monomer which has no acid group and is insoluble or hardly soluble in water, an amine compound, a silane coupling agent and a 1,3,5-triazine-2,4-dithion derivative. By using this kit, the adhesive composition can be applied directly to a dentine without conducting a pretreatment.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: September 11, 2001
    Assignee: Sun Medical Co., Ltd.
    Inventors: Takashi Yamamoto, Masami Arata, Hideyuki Ueki, Harumi Tanaka, Tamotsu Tomikawa, Haruka Otsuki