Patents by Inventor Kazuhiro Ikejiri

Kazuhiro Ikejiri 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).

  • Halogen incandescent lamp and a lighting apparatus using the lamp
    Patent number: 6784605
    Abstract: A halogen incandescent lamp comprises a light-transmitting envelope filled with a gas including a halogen gas and an inert gas. A pair of inner conductive wires is arranged in the envelope. A triple-coiled filament, which has a first coiling, a second coiling, and a third coiling having about 1.5 to about 4 turns, is re-crystallized, is arranged in the envelope, and is connected between ends of the inner conductive wires. The triple-coiled filament is held by a support member. The halogen incandescent lamp may be utilized to a lighting apparatus.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: August 31, 2004
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Makoto Sakai, Hideto Mochizuki, Makoto Bessho, Kazuhiro Ikejiri, Masayuki Takahashi
  • Halogen incandescent lamp and a lighting apparatus using the lamp
    Publication number: 20020135302
    Abstract: A halogen incandescent lamp comprises a light-transmitting envelope filled with a gas including a halogen gas and an inert gas. A pair of inner conductive wires is arranged in the envelope. A triple-coiled filament, which has a first coiling, a second coiling, and a third coiling having about 1.5 to about 4 turns, is re-crystallized, is arranged in the envelope, and is connected between ends of the inner conductive wires. The triple-coiled filament is held by a support member. The halogen incandescent lamp may be utilized to a lighting apparatus.
    Type: Application
    Filed: March 29, 2001
    Publication date: September 26, 2002
    Inventors: Makoto Sakai, Hideto Mochizuki, Makoto Bessho, Kazuhiro Ikejiri, Masayuki Tahakashi