Patents by Inventor Toru Etoh

Toru Etoh 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).

  • Sample introducing device for inductively coupled plasma analyzer
    Patent number: 5867262
    Abstract: A device for introducing a sample into an analyzer comprises a sample container for storing a sample solution, a fluid delivery line for delivering a volume of the sample solution from the sample container to the analyzer, and a washing fluid container for storing a washing fluid for delivery to the analyzer by the fluid delivery line to wash the fluid delivery line. A moving mechanism moves the fluid delivery line between the sample container and the washing fluid container in response to a control signal from a control apparatus to sequentially insert the fluid delivery line into the sample container and the washing fluid container for delivery of the sample solution and the washing fluid to the analyzer.
    Type: Grant
    Filed: August 10, 1995
    Date of Patent: February 2, 1999
    Assignee: Seiko Instruments Inc.
    Inventors: Toru Etoh, Yoshitomo Nakagawa