Patents by Inventor Makoto Yumoto

Makoto Yumoto 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).

  • Frame structure of a printer with positioning openings
    Patent number: 4846595
    Abstract: A printing apparatus such as a printer of the type using a type wheel includes two guide members which extend between a pair of side frames and each of which is fixed by riveting. A carrier is slidably mounted on the guide members. A carriage loaded with a type wheel and others is mounted on a carrier in such a manner as to be rotatable by 90 degrees between a predetermined print position and a wheel replace position behind the print position. A sensor for determining the presence/absence and the kind of a type wheel loaded in the carriage is provided.
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: July 11, 1989
    Assignee: Ricoh Co., Ltd.
    Inventors: Shingo Kato, Shunichi Ogawa, Makoto Yumoto, Kazuhiro Suzuki
  • Printing device with carriage and carrier therefor each integrally press-formed from a respective metal sheet
    Patent number: 4795284
    Abstract: A printing device such as a printer of the type using a type wheel in which a carriage is loaded with a printing mechanism and movable along a carrier to allow the printing mechanism to print out data on a paper, which is wrapped around a platen. The carrier and/or the carriage is produced by press-forming a single sheet metal to cut down the production cost and the number of structural elements of the printer.
    Type: Grant
    Filed: October 31, 1986
    Date of Patent: January 3, 1989
    Assignee: Ricoh Company, Ltd.
    Inventors: Makoto Yumoto, Shoji Yanagida, Tomoyuki Moriya, Mamoru Takezawa, Shingo Kato, Osamu Kuramochi, Shunichi Ogawa, Takashi Kimura, Takeshi Motohashi, Hideto Miyazaki, Eiji Hashimoto