Patents by Inventor Tokutaro Hara

Tokutaro Hara 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).

  • Optical filter
    Publication number: 20030133207
    Abstract: An optical filter (1) includes: a film layer (3) formed of an optical film having a front surface (301) observed by an observer and a back surface opposing to the front surface (301), a releasable adhesive layer which is firmly placed on the back surface of the film layer and can be releasably adhered to the adhesion surface (40). The optical filter (1) further provides a flexible tab (10a, 10b) coupled integrally with the film layer (3).
    Type: Application
    Filed: July 31, 2002
    Publication date: July 17, 2003
    Inventors: Kazuhiko Minami, Tokutaro Hara, Daisuke Suzuki