Inventor · disambiguated record
Zewu Chen
Also filed as: CHEN ZEWU
31 granted patents·3 pending applications·798 citations·filing 1999–2022
98Inventor score
Files withX RAY OPTICAL SYS INC26X-RAY OPTICAL SYSTEMS INC3CHEN ZEWU2BEUMER ALBERTUS1CARNAHAN JAMES1
Top patents by PatentIndex Score
34 records- 0196US6829327B1Total-reflection x-ray fluorescence apparatus and method using a doubly-curved opticX RAY OPTICAL SYS INC·Filed 2000·Granted Dec 7, 2004·92 cites·43 claims
- 0294US8559597B2XRF system having multiple excitation energy bands in highly aligned packageCHEN ZEWU·Filed 2009·Granted Oct 15, 2013·53 cites·22 claims
- 0393US7072439B2X-ray tube and method and apparatus for analyzing fluid streams using x-raysX RAY OPTICAL SYS INC·Filed 2004·Granted Jul 4, 2006·55 cites·31 claims
- 0493US6934359B2Wavelength dispersive XRF system using focusing optic for excitation and a focusing monochromator for collectionX RAY OPTICAL SYS INC·Filed 2003·Granted Aug 23, 2005·79 cites·57 claims
- 0592US7023955B2X-ray fluorescence system with apertured mask for analyzing patterned surfacesX RAY OPTICAL SYS INC·Filed 2003·Granted Apr 4, 2006·49 cites·46 claims
- 0691US10256002B2Support structure and highly aligned monochromatic X-ray optics for X-ray analysis engines and analyzersX RAY OPTICAL SYS INC·Filed 2016·Granted Apr 9, 2019·4 cites·7 claims
- 0791US9449780B2X-ray analyzer having multiple excitation energy bands produced using multi-material x-ray tube anodes and monochromating opticsX-RAY OPTICAL SYSTEMS INC·Filed 2013·Granted Sep 20, 2016·24 cites·16 claims
- 0891US7035374B2Optical device for directing x-rays having a plurality of optical crystalsX RAY OPTICAL SYS INC·Filed 2005·Granted Apr 25, 2006·42 cites·27 claims
- 0991US6317483B1Doubly curved optical device with graded atomic planesX RAY OPTICAL SYS INC·Filed 1999·Granted Nov 13, 2001·70 cites·13 claims
- 1090US7899154B2Small spot and high energy resolution XRF system for valence state determinationX RAY OPTICAL SYS INC·Filed 2008·Granted Mar 1, 2011·35 cites·20 claims
- 1190US7209545B2X-ray source assembly having enhanced output stability, and fluid stream analysis applications thereofX RAY OPTICAL SYS INC·Filed 2004·Granted Apr 24, 2007·29 cites·59 claims
- 1290US7110506B2Method and device for cooling and electrically insulating a high-voltage, heat-generating component such as an x-ray tube for analyzing fluid streamsX RAY OPTICAL SYS INC·Filed 2004·Granted Sep 19, 2006·40 cites·82 claims
- 1388US7738629B2X-ray focusing optic having multiple layers with respective crystal orientationsX RAY OPTICAL SYS INC·Filed 2007·Granted Jun 15, 2010·24 cites·26 claims
- 1488US7206375B2Method and apparatus for implement XANES analysisX RAY OPTICAL SYS INC·Filed 2005·Granted Apr 17, 2007·28 cites·31 claims
- 1587US7382856B2X-ray source assembly having enhanced output stability, and fluid stream analysis applications thereofX RAY OPTICAL SYS INC·Filed 2007·Granted Jun 3, 2008·11 cites·20 claims
- 1684US10705033B2Sample handling apparatus for pressurized fluids and X-ray analyzer applications thereofX RAY OPTICAL SYS INC·Filed 2017·Granted Jul 7, 2020·3 cites·15 claims
- 1784US7583789B1X-ray imaging systems employing point-focusing, curved monochromating opticsUNIV NEW YORK STATE RES FOUND·Filed 2006·Granted Sep 1, 2009·40 cites·38 claims
- 1883US7738630B2Highly aligned x-ray optic and source assembly for precision x-ray analysis applicationsX RAY OPTICAL SYS INC·Filed 2009·Granted Jun 15, 2010·19 cites·23 claims
- 1982US7991116B2Monochromatic x-ray micro beam for trace element mappingX RAY OPTICAL SYS INC·Filed 2006·Granted Aug 2, 2011·10 cites·11 claims
- 2081US8050382B2Sample module with sample stream spaced from window, for x-ray analysis systemX RAY OPTICAL SYS INC·Filed 2009·Granted Nov 1, 2011·7 cites·20 claims
- 2181US7519159B2Method and device for cooling and electrically insulating a high voltage, heat-generating component such as an x-ray tube for analyzing fluid streamsX RAY OPTICAL SYS INC·Filed 2006·Granted Apr 14, 2009·11 cites·34 claims
- 2280US10317350B2Active, variable sample concentration method and apparatus for sub-ppb measurements and exemplary X-ray analysis applications thereofX RAY OPTICAL SYS INC·Filed 2015·Granted Jun 11, 2019·3 cites·25 claims
- 2379US9360440B2Non-homogeneous sample handling apparatus and X-ray analyzer applications thereofX RAY OPTICAL SYS INC·Filed 2014·Granted Jun 7, 2016·3 cites·19 claims
- 2479US7298817B2Portable and on-line arsenic analyzer for drinking waterX RAY OPTICAL SYS INC·Filed 2004·Granted Nov 20, 2007·16 cites·27 claims
- 2579US6285506B1Curved optical device and method of fabricationX RAY OPTICAL SYS INC·Filed 1999·Granted Sep 4, 2001·40 cites·37 claims
- 2675US8625737B2Sample module with sample stream supported and spaced from window, for X-ray analysis systemCHEN ZEWU·Filed 2011·Granted Jan 7, 2014·3 cites·20 claims
- 2774US9048001B2XRF system having multiple excitation energy bands in highly aligned packageX RAY OPTICAL SYS INC·Filed 2013·Granted Jun 2, 2015·1 cites·21 claims
- 2873US9343193B2XRF system having multiple excitation energy bands in highly aligned packageX RAY OPTICAL SYS INC·Filed 2015·Granted May 17, 2016·2 cites·21 claims
- 2968US8908827B2Compositions, methods of use and systems for analysis of silicon levels in petroleum materialsCARNAHAN JAMES·Filed 2012·Granted Dec 9, 2014·2 cites·16 claims
- 3066US9383326B2Online monitoring of contaminants in crude and heavy fuels, and refinery applications thereofBEUMER ALBERTUS·Filed 2012·Granted Jul 5, 2016·3 cites·20 claims
- 3159US2016260514A1Xrf system having multiple excitation energy bands in highly aligned packageX-RAY OPTICAL SYSTEMS INC·Filed 2016·Application pending·0 cites
- 3255US12247934B2Polarized, energy dispersive x-ray fluorescence system and methodX RAY OPTICAL SYS INC·Filed 2022·Granted Mar 11, 2025·0 cites·20 claims
- 3355US2014294157A1Support structure and highly aligned monochromating x-ray optics for x-ray analysis engines and analyzersX RAY OPTICAL SYS INC·Filed 2012·Application pending·0 cites
- 3446US2016274042A1Non-homogeneous sample scanning apparatus, and x-ray analyzer applications thereofX-RAY OPTICAL SYSTEMS INC·Filed 2014·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →