Patents by Inventor Fumitaka Uemura

Fumitaka Uemura 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).

  • Liquid feed apparatus to prevent liquids from mixing and error in feed amount
    Patent number: 5505335
    Abstract: A liquid feed apparatus which returns liquid to a tank by emptying a common pipe to prevent mixing of liquids. The liquid feed apparatus further does not display the amount of liquid in the feed pipe at the beginning of the liquid feed from the nozzle to prevent any error in liquid feed amount.
    Type: Grant
    Filed: September 28, 1993
    Date of Patent: April 9, 1996
    Assignee: Tatsuno Corporation
    Inventors: Fumitaka Uemura, Yasuyuki Negishi, Shinji Mitome, Kazuya Hayano, Kenji Hyodo, Shiro Masai
  • Apparatus for exchanging oil for device having oil pan for circulating oil therebetween
    Patent number: 4938315
    Abstract: Apparatus for exchanging waste oil with fresh oil in a device such as torque converter, based on a new finding that extracting waste oil from the pan thereof, supplying fresh oil thereinto and after the lapse of some pause time such extract and supply are repeated during said torque converter is kept to operate to circulate oil between the converter proper and the oil pan. The repetition of extract, supply and pause is automatically done according to the operation design stored in the computer with determining the total amount of extracted waste oil and fresh oil to be supplied.
    Type: Grant
    Filed: December 23, 1988
    Date of Patent: July 3, 1990
    Assignee: Tokyo Tatsuno Co., Ltd.
    Inventors: Yasuto Ohta, Masaru Kawabe, Fumitaka Uemura, Yoshiyuki Satoh, Naohiko Suzuki