Patents by Inventor Nobou Ishii

Nobou Ishii 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).

  • Publication number: 20040045672
    Abstract: A desired component of an electromagnetic field in a slot antenna is selectively taken to be supplied into a vessel for generating a plasma. The angle of inclination of slots (36) relative to the circumferential direction of a radiation surface (31) of the slot antenna (30) is decreased as the position of the slots approaches the periphery of the radiation surface 31 from the center O of the radiation surface.
    Type: Application
    Filed: July 15, 2003
    Publication date: March 11, 2004
    Inventors: Nobou Ishii, Makoto Ando