Patents by Inventor Shuro Abe

Shuro Abe 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: 4651164
    Abstract: A thermal printhead for use in a thermal recording machine includes a substrate on which a plurality of heat-producing elements are formed in the form of a linear array and a plurality of I.C. driver chips provided along one side of the linear array, and the I.C. driver chip includes output pads formed in a line spaced apart from one another on its surface along one side thereof. Using such an I.C. driver chip, the linear array density of 8 elements/mm and thus recording density of 8 dots/mm is obtained.
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: March 17, 1987
    Assignee: Ricoh Company, Ltd.
    Inventors: Shuro Abe, Yoshiro Yabuki, Yasuhiko Takamatsu, Takayuki Yamaguchi, Masatoshi Ohta, Eiji Nakamura