Patents by Inventor Yuukou Fujita

Yuukou Fujita 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).

  • Method for washing a sample tube and its washing apparatus
    Patent number: 7131450
    Abstract: A sample tube is washed by inserting a suction tube from an open end of the sample tube having a closed end, and circulating washing liquid supplied from an upper side of the closed end of the sample tube over an exterior and in an interior of the sample tube to suck and discharge the liquid through the suction tube. The sample tube is washed by providing a holder for holding the sample tube in a manner that the open end of the sample tube having a closed end, the suction tube of which upper end side is inserted to the sample tube and of which lower end side is supported by the holder, and a washing liquid receiving tube arranged around the sample tube, and by circulating the washing liquid supplied from the upper side of the closed portion of the sample tube over the exterior and in the interior of the sample tube to suck and discharge the liquid through the suction tube. On the other hand, the sample tube is dried by circulating air over the exterior and in the interior of the sample tube after the washing.
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: November 7, 2006
    Inventor: Yuukou Fujita
  • Method for washing a sample tube and its washing apparatus
    Publication number: 20050051192
    Abstract: A sample tube is washed by inserting a suction tube from an open end of the sample tube having a closed end, and circulating washing liquid supplied from an upper side of the closed end of the sample tube over an exterior and in an interior of the sample tube to suck and discharge the liquid through the suction tube. The sample tube is washed by providing a holder for holding the sample tube in a manner that the open end of the sample tube having a closed end, the suction tube of which upper end side is inserted to the sample tube and of which lower end side is supported by the holder, and a washing liquid receiving tube arranged around the sample tube, and by circulating the washing liquid supplied from the upper side of the closed portion of the sample tube over the exterior and in the interior of the sample tube to suck and discharge the liquid through the suction tube. On the other hand, the sample tube is dried by circulating air over the exterior and in the interior of the sample tube after the washing.
    Type: Application
    Filed: December 17, 2003
    Publication date: March 10, 2005
    Inventor: Yuukou Fujita