Patents by Inventor Katsutoshi Ishi

Katsutoshi Ishi 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).

  • Patent number: 7072578
    Abstract: A carbon wire heating element sealing heater is provided. Therein, a carbon wire heating element using carbon fibers is sealed in a quartz glass member, wherein absorption water quantity of the carbon wire heating element is 2×10?3 g/cm3 or less.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: July 4, 2006
    Assignees: Toshiba Ceramics Co., Ltd., Tokyo Electron Limited
    Inventors: Norihiko Saito, Hiroyuki Honma, Hiroshi Mori, Eiichi Toya, Tomio Konn, Tomohiro Nagata, Sunao Seko, Akira Otsu, Takanori Saito, Ken Nakao, Kazutoshi Miura, Harunari Hasegawa, George Hoshi, Katsutoshi Ishi
  • Publication number: 20050133494
    Abstract: A carbon wire heating element sealing heater is provided. Therein, a carbon wire heating element using carbon fibers is sealed in a quartz glass member, wherein absorption water quantity of the carbon wire heating element is 2×10?3 g/cm3 or less.
    Type: Application
    Filed: January 21, 2005
    Publication date: June 23, 2005
    Inventors: Norihiko Saito, Hiroyuki Honma, Hiroshi Mori, Eiichi Toya, Tomio Konn, Tomohiro Nagata, Sunao Seko, Akira Otsu, Takanori Saito, Ken Nakao, Kazutoshi Miura, Harunari Hasegawa, George Hoshi, Katsutoshi Ishi
  • Patent number: 6885814
    Abstract: A carbon wire heating element sealing heater is provided. Therein, a carbon wire heating element using carbon fibers is sealed in a quartz glass member, wherein absorption water quantity of the carbon wire heating element is 2×10?3 g/cm3 or less.
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: April 26, 2005
    Assignees: Toshiba Ceramics Co., Ltd., Tokyo Electron Limited
    Inventors: Takanori Saito, Hiroshi Mori, Akira Otsu, Norihiko Saito, Hiroyuki Honma, Eiichi Toya, Tomio Konn, Tomohiro Nagata, Ken Nakao, Kazutoshi Miura, Harunari Hasegawa, George Hoshi, Katsutoshi Ishi, Sunao Seko
  • Publication number: 20030180034
    Abstract: A carbon wire heating element sealing heater is provided. Therein, a carbon wire heating element using carbon fibers is sealed in a quartz glass member, wherein absorption water quantity of the carbon wire heating element is 2×10−3 g/cm3 or less.
    Type: Application
    Filed: March 25, 2003
    Publication date: September 25, 2003
    Applicants: TOSHIBA CERAMICS CO., LTD., TOKYO ELECTRON LIMITED
    Inventors: Takanori Saito, Hiroshi Mori, Akira Otsu, Norihiko Saito, Hiroyuki Honma, Eiichi Toya, Tomio Konn, Tomohiro Nagata, Ken Nakao, Kazutoshi Miura, Harunari Hasegawa, George Hoshi, Katsutoshi Ishi, Sunao Seko