Patents by Inventor Atsuyuki Kato

Atsuyuki Kato 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).

  • Toner image fixing device having improved lamp heater
    Patent number: 5436431
    Abstract: A toner image fixing device comprises a heat roller and a lamp heater. The lamp heater is formed from a nicrome wire stretched between clamp terminals, a silica tube and ceramic holders closely fitted to respective ends of the silica tube and which have an external diameter which is substantially the same as the diameter of the heating roller. The lamp heater is secured by a lamp holder and frame to the shaft of the heat roller. The heat roller is rotatably supported by a bearing and is driven by a driving gear.
    Type: Grant
    Filed: January 7, 1994
    Date of Patent: July 25, 1995
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masaru Tsuji, Hiroshige Araki, Hideki Gotoh, Yoshikazu Kondoh, Atsuyuki Kato, Yoshinobu Tateishi, Yuhi Akagawa, Mitsuyoshi Terada, Takashi Sugito, Toshihide Ohgoshi, Naoyuki Yamane