Patents by Inventor Masao Higami

Masao Higami 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).

  • Retardation plate with protective film, method of manufacturing thereof, pressure-sensitive adhesive type retardation plate with protective film, and pressure-sensivie adhesive type optical material with protective film
    Publication number: 20070182898
    Abstract: A retardation plate with protective films of the present invention comprises a retardation plate; and at least two protective films that each comprise a base film and a pressure-sensitive adhesive layer formed on one side of the base film and are sequentially laminated on the retardation plate, wherein the first protective film laminated on the retardation plate differs in adhesive strength to adherend from the protective film or films other than the first protective film, and the first protective film has the lowest adhesive strength. The retardation plate with protective films can suppress curling and has good workability and good peelability even when using a thin retardation plate.
    Type: Application
    Filed: August 4, 2005
    Publication date: August 9, 2007
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takashi Yamaoka, Masao Higami