Inventor · Duluth, MN, US

Eugene Tokhtuev

70Patents
19h-index
33Co-inventors
84Inventor score

Filing activity: Aug 13, 1999 → Oct 30, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US8395515B2 Hand hygiene compliance monitoring Physics 63 Active
US7550746B2 UV fluorometric sensor and method for using the same Physics 52 Active
US7924424B2 Optical product detection sensor Physics 47 Active
US8236573B2 Microflow analytical system Emerging Cross-Sectional Technologies 47 Active
US8004683B2 Optical product detection sensor Physics 45 Active
US8084756B2 UV fluorometric sensor and method for using the same Physics 43 Active
US8017409B2 Microflow analytical system Emerging Cross-Sectional Technologies 42 Active
US8502680B2 Hand hygiene compliance monitoring Physics 40 Active
US6486474B1 Infrared spectrometer for the measurement of isotopic ratios Physics 38 Expired
US7198755B2 Multichannel fluorosensor Emerging Cross-Sectional Technologies 36 Expired
US8008080B2 Valve analytical system Emerging Cross-Sectional Technologies 33 Active
US7142299B2 Turbidity sensor Physics 32 Expired
US7652267B2 UV fluorometric sensor and method for using the same Physics 27 Active
US7491366B2 Portable multi-channel device for optically testing a liquid sample Physics 24 Active
US8191703B2 Conveyor system monitoring and maintenance Performing Operations; Transporting 21 Active
US6494616B1 Multiplexed sensor array Physics 21 Expired
US7049602B2 Radiation sensor Physics 21 Expired
US6842243B2 Turbidity sensor Physics 20 Expired
US8178352B2 Valve analytical system Emerging Cross-Sectional Technologies 19 Active
US8373140B2 Fluorometric sensor Emerging Cross-Sectional Technologies 17 Active
US7989780B2 UV fluorometric sensor and method for using the same Physics 15 Active
US8071390B2 Temperature stabilized optical cell and method Emerging Cross-Sectional Technologies 12 Active
US8143070B2 Optical cell Emerging Cross-Sectional Technologies 12 Active
US8069719B2 Gear flow meter with optical sensor Physics 11 Active
US8120500B2 Acoustic fluid presence/absence detection Human Necessities 11 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.