Patents by Inventor Hiromichi Suzawa

Hiromichi Suzawa 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).

  • Ink ribbon for printer and ink therefor
    Patent number: 5336553
    Abstract: An ink ribbon for a printer, particularly an impact type printer such as a wire dot printer or daisy wheel printer, as well as a black ink to be used for an ink ribbon for a printer.
    Type: Grant
    Filed: March 8, 1993
    Date of Patent: August 9, 1994
    Assignee: Fujitsu Isotec Limited
    Inventors: Masayuki Tanaka, Hiromichi Suzawa, Masayuki Kubota, Chiaki Sekioka, Minako Sato, Hisashi Uemura
  • Ink ribbon for printer and ink therefor
    Patent number: 5259875
    Abstract: An ink ribbon for a printer, particularly an impact type printer such as a wire dot printer or daisy wheel printer, as well as a black ink to be used for an ink ribbon for a printer.
    Type: Grant
    Filed: June 5, 1992
    Date of Patent: November 9, 1993
    Assignee: Fujitsu Isotec Limited
    Inventors: Masayuki Tanaka, Hiromichi Suzawa, Masayuki Kubota, Chiaki Sekioka, Minako Sato, Hisashi Uemura
  • Ink ribbon cassette with re-inking and drive gear
    Patent number: 5211490
    Abstract: An inked ribbon cassette comprising an ink supply felt, a first gear arranged in contact with the felt and a second gear in engagement with the first gear. An ink ribbon is pinched between the first and the second gears and driven by the first and the second gears upon rotation thereof. Accordingly, ink is transferred from the felt to the first gear, and in turn, from the first gear to the ink ribbon. There are grooves in the first gear for containing ink therein ink is excessively transferred from the ink supply felt to the first gear. The grooves are preferably provided in bottom lands of the first gear by increasing the whole depth of the first gear.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: May 18, 1993
    Assignee: Fujitsu Isotec Limited
    Inventors: Hiromichi Suzawa, Masaru Sugie, Masayuki Kubota, Chiaki Sekioka, Hiroki Ohta
  • Ink ribbon for printer and ink therefor
    Patent number: 5135803
    Abstract: An ink ribbon for a printer, particularly an impact type printer such as a wire dot printer or daisy wheel printer, as well as a black ink to be used for an ink ribbon for a printer.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: August 4, 1992
    Assignee: Fujitsu Isotec Limited
    Inventors: Masayuki Tanaka, Hiromichi Suzawa, Masayuki Kubota, Chiaki Sekioka, Minako Sato, Hisashi Uemura