Patents by Inventor Takehiko Hirayama

Takehiko Hirayama 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: 4780839
    Abstract: An electronic schedule display apparatus comprises a key input section for inputting schedule data, the schedule data input by the key input section consisting of day data corresponding to date data, start time data, end time data, and content data of a scheduled event; a schedule data storage section for storing the schedule data input by the key input section, a matrix display device including a large number of optical matrix display elements arranged to correspond to a matrix table of days and times, one optical matrix display element of the matrix display device corresponding to several minutes, and one hour being constituted by the display elements smaller in number than 60, and a schedule time display control section for driving the display elements of the large number of optical matrix display elements of the matrix display device between one corresponding to the start time data of the schedule data stored in the schedule data storage section and one corresponding to the end time data of the schedule d
    Type: Grant
    Filed: August 14, 1986
    Date of Patent: October 25, 1988
    Assignee: Casio Computer Co., Ltd.
    Inventor: Takehiko Hirayama