Patents by Inventor Akihisa Matsumoto

Akihisa Matsumoto 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).

  • Light emitting element
    Publication number: 20060108669
    Abstract: A light emitting element includes: a box-shaped case formed by an insulation material and having a space inside; a lead frame formed by a conductive material and fixed to the case; and a light emitting chip fixed to the lead frame. On the lead frame, a rise portion is formed in a side wall of the case or along the inner surface of the side wall. The lead frame has a first lead frame fixing the light emitting chip and a second lead frame connected to the light emitting chip by the wire bonding. At least on the first lead frame, a rise portion is formed.
    Type: Application
    Filed: September 29, 2003
    Publication date: May 25, 2006
    Inventors: Akihisa Matsumoto, Tatsuya Motoike, Toshinori Nakahara