Patents by Inventor Tetsuya Kirihara

Tetsuya Kirihara 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: 5575208
    Abstract: An ink pump control system for an ink pump installed on printing presses, driven by a stepping motor, with the ink feed thereof being controlled in accordance with the revolution of the stepping motor, including a first pulse output device for outputting a pulse signal proportional to the operating speed of the rotary press, a memory device for storing ON/OFF bit strings in accordance with a printing element ratio of a plate surface area to which ink is to be fed obtained in advance by a printing element ratio measuring device, a second pulse output device for sequentially reading each bit in the ON/OFF bit string stored in the memory device every time a pulse signal outputted by the first pulse output device is inputted, and outputting a pulse signal in accordance with the read bits, and a motor driver for operating the stepping motor in accordance with the pulse signal outputted by the second pulse output device, so that ink feed is controlled optimally.
    Type: Grant
    Filed: February 14, 1995
    Date of Patent: November 19, 1996
    Assignee: Tokyo Kikai Seisakusho Ltd.
    Inventor: Tetsuya Kirihara