Patents by Inventor Shinji Kurita

Shinji Kurita 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).

  • Electron capture detector and nonradiative electron capture detector
    Patent number: 7812614
    Abstract: It is intended to realize measuring of trace organic components and to render qualitative procedure efficient through imparting of selectivity. Penning gas and dopant gas are ionized in a space isolated from discharge part with the use of metastable helium obtained by direct-current glow discharge, and with the use of thus obtained plasma, the efficiency of ionization of components to be measured is enhanced, so that intensified ion current can be obtained. Further, through selection of dopant gas and Penning gas, selectivity can be imparted. Thus, not only can measuring of trace organic components be performed but also selectivity can be imparted.
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: October 12, 2010
    Assignee: Hitachi High-Tech Science Systems Corporation
    Inventors: Shinji Kurita, Norio Kawamura, Masahiro Takeuchi
  • Electron Capture Detector and Nonradiative Electron Capture
    Publication number: 20070296417
    Abstract: It is intended to realize measuring of trace organic components and to render qualitative procedure efficient through imparting of selectivity. Penning gas and dopant gas are ionized in a space isolated from discharge part with the use of metastable helium obtained by direct-current glow discharge, and with the use of thus obtained plasma, the efficiency of ionization of components to be measured is enhanced, so that intensified ion current can be obtained. Further, through selection of dopant gas and Penning gas, selectivity can be imparted. Thus, not only can measuring of trace organic components be performed but also selectivity can be imparted.
    Type: Application
    Filed: October 27, 2005
    Publication date: December 27, 2007
    Applicant: HITACHI HIGH-TECH SCIENCE SYSTEMS CORPORATION
    Inventors: Shinji Kurita, Norio Kawamura, Masahiro Takeuchi