Patents by Inventor Toshimitsu Okamura

Toshimitsu Okamura 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).

  • REAGENT FOR MEASUREMENT OF CHOLINESTERASE ACTIVITY
    Publication number: 20120107854
    Abstract: An N-alkylpiperidine methanethiol ester derivative represented by any one of the general formulae (1) to (4) or a salt thereof has been discovered. The N-alkylpiperidine methanethiol ester derivative or the salt thereof has specificity for acetylcholinesterase or butyrylcholinesterase and is useful as a reagent for measurement of cholinesterase activity by the Ellman method.
    Type: Application
    Filed: March 3, 2009
    Publication date: May 3, 2012
    Applicant: NATIONAL INSTITUTE OF RADIOLOGICAL SCIENCES
    Inventors: Tatsuya Kikuchi, Toshiaki Irie, Kiyoshi Fukushi, Toshimitsu Okamura