Patents by Inventor Shuji Mitsuhashi

Shuji Mitsuhashi 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).

  • Dot matrix printer having interchangeable print head and font cartridge
    Patent number: 4778291
    Abstract: A dot printer comprising a printer head freely detachably attached to a carriage in the printer and a system cartridge also freely detachably attached to the printer, said system cartridge having stored a character front and a firmwear program therein, wherein the number of dots printed can be changed by exchanging the printer head and the system cartridge with those which are different in number of pins used. Printing can be thus done with any desired numbers of dots which meet various purposes and one dot printer can be used for various purposes with extremely high economy.
    Type: Grant
    Filed: April 24, 1987
    Date of Patent: October 18, 1988
    Assignee: Alps Electric Co., Ltd.
    Inventor: Shuji Mitsuhashi