Patents by Inventor Hisayukui YAMANAKA

Hisayukui YAMANAKA 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).

  • ENHANCED VARIABLE POWER ZOOM LENS
    Publication number: 20110286105
    Abstract: The present invention is directed to provide an enhanced variable power zoom lens that is lightweight as a whole, and especially, has its focusing lens optics reduced in weight so as to relieve of a load on a focusing drive system, and that has its anti-vibration lens optics reduced in both diameter and weight so as to relieve of a load on an anti-vibration drive system and downsize the same.
    Type: Application
    Filed: May 20, 2011
    Publication date: November 24, 2011
    Inventors: Hisayukui YAMANAKA, Makoto Kanai, Masafumi Sueyoshi, Masaharu Hosoi