Patents by Inventor Elgo Sano

Elgo Sano 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 Pickup Lens, Image Pickup Device Having Image Pickup Lens, And Portable Terminal Having Image Pickup Device
    Publication number: 20120081596
    Abstract: An image pickup lens comprises a first lens (L1) having a positive refractive power, an aperture stop (s3), a second lens (L2) having a negative refractive power and having a concave surface facing the image side, a third lens (L3) having a positive refractive power, and a fourth lens (L4) having a negative refractive power and having a concave surface facing the image side. The image pickup lens satisfies predetermined formulae.
    Type: Application
    Filed: May 26, 2010
    Publication date: April 5, 2012
    Inventors: Hiroaki Tanaka, Keiji Matsusaka, Elgo Sano