Patents by Inventor Minoru Ikawa

Minoru Ikawa 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 treatment apparatus and sample measurement apparatus providing it
    Patent number: 7395725
    Abstract: There is provided a sample treatment apparatus which can, continuously and stably for a long time, treat a sample containing an easily precipitating substance such as sulfur and a measuring apparatus providing it. The sample treatment apparatus includes: a path for introducing a fluid for an aspirator, at least two sample flow paths A connected in one side to the path for introducing a fluid for an aspirator and connected in the other side to a sample collecting part, a sample flow path B connected in one side to one sample flow path A passing a fluid for an aspirator and connected in the other side to the other sample flow path A, a cooling part for cooling a part of the sample flow paths A, and a controller for selecting and switching the sample flow paths A into which a fluid for an aspirator is introduced.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: July 8, 2008
    Assignees: Horiba, Ltd., Horiba Instruments Incorporated
    Inventors: Naohito Shimizu, Masahiko Endo, Minoru Ikawa, Poliang Chien, James E. Downey
  • Sample treatment apparatus and sample measurement apparatus providing it
    Publication number: 20070137316
    Abstract: There is provided a sample treatment apparatus which can, continuously and stably for a long time, treat a sample containing an easily precipitating substance such as sulfur and a measuring apparatus providing it. The sample treatment apparatus includes: a path for introducing a fluid for an aspirator, at least two sample flow paths A connected in one side to the path for introducing a fluid for an aspirator and connected in the other side to a sample collecting part, a sample flow path B connected in one side to one sample flow path A passing a fluid for an aspirator and connected in the other side to the other sample flow path A, a cooling part for cooling a part of the sample flow paths A, and a controller for selecting and switching the sample flow paths A into which a fluid for an aspirator is introduced.
    Type: Application
    Filed: December 19, 2005
    Publication date: June 21, 2007
    Inventors: Naohito Shimizu, Masahiko Endo, Minoru Ikawa, Poliang Chien, James Downey