Patents by Inventor Akihumi Iwama

Akihumi Iwama 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).

  • Microorganism detection apparatus and microorganism detection cassette
    Patent number: 7923242
    Abstract: The objective of the present invention is to provide a simple microorganism detection apparatus that reduces detection time and that provides improved detection sensitivity, especially for gram-negative bacteria. The microorganism detection apparatus of the present invention includes: a detection target introduction portion, into which a sample and reagents are to be introduced; a detector, for detecting the color tone of the reagent introduced into the detection target introduction portion; a sample holder, for holding the sample to be introduced into the detection target introduction portion; a culture solution holder, for holding a culture solution used for microorganism culturing; and reagent holders, for holding the reagents to be introduced into the detection target introduction portion, wherein the presence/absence of microorganisms in the sample is determined based on the detected color tone.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: April 12, 2011
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Eiji Kono, Hironobu Sekine, Yasuhiko Yokoi, Akihumi Iwama
  • Microorganism detection apparatus and microorganism detection cassette
    Publication number: 20060246578
    Abstract: The objective of the present invention is to provide a simple microorganism detection apparatus that reduces detection time and that provides improved detection sensitivity, especially for gram-negative bacteria. The microorganism detection apparatus of the present invention includes: a detection target introduction portion, into which a sample and reagents are to be introduced; a detector, for detecting the color tone of the reagent introduced into the detection target introduction portion; a sample holder, for holding the sample to be introduced into the detection target introduction portion; a culture solution holder, for holding a culture solution used for microorganism culturing; and reagent holders, for holding the reagents to be introduced into the detection target introduction portion, wherein the presence/absence of microorganisms in the sample is determined based on the detected color tone.
    Type: Application
    Filed: February 3, 2006
    Publication date: November 2, 2006
    Inventors: Eiji Kono, Hironobu Sekine, Yasuhiko Yokoi, Akihumi Iwama