Patents by Inventor Tomoo Ueta

Tomoo Ueta 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).

  • Polarizing plate and method for producing the same
    Patent number: 7136225
    Abstract: An iodine type polarizing plate is provided, the plate having a polyvinyl alcohol resin film in/on which iodine is adsorbed and oriented and a protective film adhered to at least one surface of the resin film with a transparent adhesive layer containing zinc in an amount of about 30 mg to about 90 mg per one square meter of the polarizing plate or in an amount of about 6% to about 18% by weight based on the weight of the adhesive layer.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: November 14, 2006
    Assignees: Sumitomo Chemical Company, Limited, Okura Industrial Co., Ltd.
    Inventors: Koji Matsumoto, Narutoshi Hayashi, Tomoo Ueta
  • Polarizing plate and method for producing the same`
    Publication number: 20030030906
    Abstract: An iodine type polarizing plate is provided, the plate having a polyvinyl alcohol resin film in/on which iodine is adsorbed and oriented and a protective film adhered to at least one surface of the resin film with a transparent adhesive layer containing zinc in an amount of about 30 mg to about 90 mg per one square meter of the polarizing plate or in an amount of about 6% to about 18% by weight based on the weight of the adhesive layer.
    Type: Application
    Filed: May 8, 2002
    Publication date: February 13, 2003
    Applicant: SUMITOMO CHEMICAL COMPANY LIMITED and OKURA INDUSTRIAL CO., LTD.
    Inventors: Koji Matsumoto, Narutoshi Hayashi, Tomoo Ueta