Patents by Inventor Masashi Yamauchi, legal representative

Masashi Yamauchi, legal representative 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 apparatus, and wavelength conversion laser light source, image display apparatus, and laser light source device adopting such optical apparatus
    Patent number: 7848010
    Abstract: A wavelength conversion laser light source includes: a non-linear optical crystal of an oxygen octahedral structure, having added thereto a metal ion in other components than a main component; a light source for projecting light into the non-linear optical crystal in an operation mode; and a refractive index recovery mechanism for carrying out a recovery operation for recovering a refractive index of said non-linear optical crystal as shifted overtime due to light projected into the non-linear optical crystal in the operation mode with an applied external energy into the non-linear optical crystal in a non-operation mode in which light is not injected to the non-linear optical crystal.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: December 7, 2010
    Assignee: Panasonic Corporation
    Inventors: Hiroyuki Furuya, Kazuhisa Yamamoto, Akifumi Aono, Masahide Yamauchi, Masashi Yamauchi, legal representative, Shinichi Kadowaki