Patents by Inventor Tsutomu Ishikiriyama

Tsutomu Ishikiriyama 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).

  • Cleaning device and automatic analyzer
    Patent number: 8968680
    Abstract: A cleaning device that cleans a liquid storage part of a vessel for storing liquid. The cleaning device includes: a cleaning liquid discharge nozzle that discharges cleaning liquid to the liquid storage part; a first overflow suction nozzle of which tip is positioned above the tip of the cleaning liquid discharge nozzle, that sucks the liquid containing the cleaning liquid from the liquid storage part; a second overflow suction nozzle of which tip is positioned above the tip of the first overflow suction nozzle, that sucks the liquid containing the cleaning liquid from the liquid storage part; and a clog detecting unit that detects clog in one of the first and second overflow suction nozzles.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: March 3, 2015
    Assignee: Beckman Coulter, Inc.
    Inventors: Kunihiko Mazume, Masato Kayahara, Tsutomu Ishikiriyama
  • CLEANING DEVICE AND AUTOMATIC ANALYZER
    Publication number: 20100254857
    Abstract: A cleaning device that cleans a liquid storage part of a vessel for storing liquid. The cleaning device includes: a cleaning liquid discharge nozzle that discharges cleaning liquid to the liquid storage part; a first overflow suction nozzle of which tip is positioned above the tip of the cleaning liquid discharge nozzle, that sucks the liquid containing the cleaning liquid from the liquid storage part; a second overflow suction nozzle of which tip is positioned above the tip of the first overflow suction nozzle, that sucks the liquid containing the cleaning liquid from the liquid storage part; and a clog detecting unit that detects clog in one of the first and second overflow suction nozzles.
    Type: Application
    Filed: June 16, 2010
    Publication date: October 7, 2010
    Applicant: Beckman Coulter, Inc.
    Inventors: Kunihiko Mazume, Masato Kayahara, Tsutomu Ishikiriyama