Inventor · Tecate Mission Road, CA, US

Paul K. Hsei

29Patents
20h-index
18Co-inventors
82Inventor score

Filing activity: Jan 8, 1981 → Oct 12, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US6159160A System and method for controlled infusion and pressure monitoring Human Necessities 632 Expired
US6296639A Apparatuses and methods for interstitial tissue removal Human Necessities 343 Expired
US6663626B2 Apparatuses and methods for interstitial tissue removal Human Necessities 231 Expired
US4595562A Loading and transfer assembly for chemical analyzer Physics 151 Expired
US7192430B2 Apparatuses and methods for interstitial tissue removal Human Necessities 127 Expired
US4891104A Enzymatic electrode and electrode module and method of use Chemistry; Metallurgy 118 Expired
US4935106A Ion selective/enzymatic electrode medical analyzer device and method of use Physics 58 Expired
US7621933B2 Tool assembly for harvesting and implanting follicular units Human Necessities 57 Active
US4405060A Tablet dispensing device Performing Operations; Transporting 54 Expired
US5242660A Sample preparation device Emerging Cross-Sectional Technologies 48 Expired
US6092430A Oxygen/carbon dioxide sensor and controller for a refrigerated controlled atmosphere shipping container Physics 37 Expired
US5623105A Oxygen/carbon dioxide sensor and controller for a refrigerated controlled atmosphere shipping container Physics 36 Expired
US5826977A Method for mixing laminar and turbulent flow streams Performing Operations; Transporting 32 Expired
US4946651A Sample holder for a body fluid analyzer Emerging Cross-Sectional Technologies 32 Expired
US5277873A Sample preparation device Emerging Cross-Sectional Technologies 29 Expired
US5357113A Infrared gas mixture analyzer Physics 28 Expired
US7621934B2 Methods of harvesting and implanting follicular units using a coaxial tool Human Necessities 26 Active
USD299751S Reagent solution reservoir General 26 Expired
US5826981A Apparatus for mixing laminar and turbulent flow streams Performing Operations; Transporting 25 Expired
US5801317A Oxygen/carbon dioxide sensor and controller for a refrigerated controlled atmosphere shipping container Physics 24 Expired
US4396510A Mass transfer device Emerging Cross-Sectional Technologies 20 Expired
US7311673B2 Biopsy device Human Necessities 18 Expired
USD297366S Body fluid specimen holder General 15 Expired
US4483616A Container for small quantities of liquids Performing Operations; Transporting 15 Expired
US4685880A Cuvette belts and manufacture of same Emerging Cross-Sectional Technologies 12 Expired

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