Patents by Inventor Teruso Sakai

Teruso Sakai 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).

  • Image pick-up unit including an image pick-up device and optical filter layers
    Publication number: 20040104387
    Abstract: An image pick-up unit includes an image pick-up device; and a plurality of optical filters which are cemented together in layers and positioned in front of the image pick-up device. At least two optical filters among the plurality of optical filters, which have different optical properties, are different in shape from each other.
    Type: Application
    Filed: November 19, 2003
    Publication date: June 3, 2004
    Applicant: PENTAX Corporation
    Inventors: Makoto Mogamiya, Teruso Sakai