Patents by Inventor Toshiaki Kurachi

Toshiaki Kurachi 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).

  • Induction coil core, illumination unit using the same, and polycrystalline ferrite
    Publication number: 20020036472
    Abstract: The induction coil core used for an induction coil of a discharge lamp, the discharge lamp including: a bulb containing discharge gas inside; and the induction coil for generating an electromagnetic field with a frequency in a range of 50 kHz to 1 MHz inclusive in the bulb. The core is made of a Mn—Zn polycrystalline ferrite and has a Curie temperature of 270° C. or more.
    Type: Application
    Filed: March 2, 2001
    Publication date: March 28, 2002
    Inventors: Toshiaki Kurachi, Koji Miyazaki, Katsushi Seki, Mamoru Takeda