Patents by Inventor Igarashi Kiyotaka

Igarashi Kiyotaka 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).

  • Display device
    Patent number: 5195062
    Abstract: A hand display device having a hand driven by a pulse motor in which graduations or symbols representing plural types of functions to be indicated by the hand are arranged so as to display the mutal positions on a dial, and by selecting one of the functions, the hand stays at a position of graduation or symbol corresponding to a selected function for a relatively longer time than that corresponding to unselected function to display functional display selectively.
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: March 16, 1993
    Assignee: Citizen Watch Co., Ltd.
    Inventors: Sase Masahiro, Igarashi Kiyotaka, Takashi Osa, Noritoshi Suzuki