Patents by Inventor James K. Chun

James K. Chun 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).

  • Watertight, low power L.E.D. flashlight
    Publication number: 20030179573
    Abstract: A watertight, low power flashlight is disclosed that uses a voltage tripler and regulator that enables the use of a single AA or lithium battery. The voltage tripler is a “step-up power component” that raises the battery voltage from 1.5 to approximately 5 volts required to sufficiently energize the L.E.D.s. The flashlight also includes a lightweight, compact housing with an optional dimmer switch and a side-mounted “soft” on/off switch.
    Type: Application
    Filed: March 22, 2002
    Publication date: September 25, 2003
    Inventor: James K. Chun
  • Flashlight
    Patent number: D466636
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: December 3, 2002
    Inventor: James K. Chun
  • Flashlight clip
    Patent number: D473963
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: April 29, 2003
    Inventor: James K. Chun
  • Solar-powered LED flashlight
    Patent number: D475149
    Type: Grant
    Filed: July 10, 2002
    Date of Patent: May 27, 2003
    Inventor: James K. Chun