Patents by Inventor Youkichi Ohno

Youkichi Ohno 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).

  • Patent number: 9097693
    Abstract: The invention provides a method for simple, rapid and inexpensive analysis of drugs such as nicotine and other drugs which are accumulated in biological samples of addictive drugger of tobacco, stimulant drug and the like. The method comprises the steps of introducing the biological sample into an injection needle, inserting the needle into an injector of a chromatograph and injecting a carrier into the needle to conduct chromatography treatment.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: August 4, 2015
    Assignees: SHINWA CHEMICAL INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION TOYOHASHI UNIVERSITY OF TECHNOLOGY, NIPPON MEDICAL SCHOOL FOUNDATION
    Inventors: Hiroo Wada, Kiyokatsu Jinno, Yoshihiro Saito, Youkichi Ohno, Makiko Hayashida
  • Publication number: 20080193962
    Abstract: The invention provides a method for simple, rapid and inexpensive analysis of drugs such as nicotine and other drugs which are accumulated in biological samples of addictive drugger of tobacco, stimulant drug and the like. The method comprises the steps of introducing the biological sample into an injection needle, inserting the needle into an injector of a chromatograph and injecting a carrier into the needle to conduct chromatography treatment.
    Type: Application
    Filed: March 14, 2006
    Publication date: August 14, 2008
    Inventors: Hiroo Wada, Kiyokatsu Jinno, Yoshihiro Saito, Youkichi Ohno, Makiko Hayashida