Inventor · disambiguated record
Ping He
Also filed as: HE PING · HE PING-TSANG
127 granted patents·44 pending applications·1,502 citations·filing 1985–2025
99Inventor score
Files withJ A WOOLLAM CO INC59NINGDE AMPEREX TECHNOLOGY LTD24WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD10LIPHARDT MARTIN M8RAZER (ASIA-PACIFIC) PTE LTD7
Top patents by PatentIndex Score
171 records- 0198US7633625B1Spectroscopic ellipsometer and polarimeter systemsJ A WOOLLAM CO INC·Filed 2007·Granted Dec 15, 2009·115 cites·2 claims
- 0296US7616319B1Spectroscopic ellipsometer and polarimeter systemsJAMES D WELCH·Filed 2007·Granted Nov 10, 2009·117 cites·67 claims
- 0394US12144232B2Display panel and display device with improved shrinkage performance of curved regionsWUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD·Filed 2021·Granted Nov 12, 2024·2 cites·16 claims
- 0493US6634233B2Method for determining the wall thickness and the speed of sound in a tube from reflected and transmitted ultrasound pulsesUNIV WRIGHT STATE·Filed 2002·Granted Oct 21, 2003·70 cites·18 claims
- 0592US6323424B1Multiple electrical box mounting system having removable ringsFiled 2000·Granted Nov 27, 2001·69 cites·6 claims
- 0691US11329352B2Secondary battery cell and winding formation system thereofNINGDE AMPEREX TECHNOLOGY LTD·Filed 2018·Granted May 10, 2022·3 cites·12 claims
- 0791US6982792B1Spectrophotometer, ellipsometer, polarimeter and the like systemsJ A WOOLLAM CO INC·Filed 2003·Granted Jan 3, 2006·49 cites·26 claims
- 0891US6883376B2Method for determining the wall thickness and the speed of sound in a tube from reflected and transmitted ultrasound pulsesUNIV WRIGHT STATE·Filed 2003·Granted Apr 26, 2005·56 cites·23 claims
- 0991US6456376B1Rotating compensator ellipsometer system with spatial filterJ A WOOLLAM CO INC·Filed 2001·Granted Sep 24, 2002·42 cites·37 claims
- 1090US7492455B1Discrete polarization state spectroscopic ellipsometer system and method of useJ A WOOLLAM CO INC·Filed 2006·Granted Feb 17, 2009·22 cites·6 claims
- 1189US10627288B1Systems and methods for producing a more uniform intensity wavelength dispersed beam of electromagnetic radiation entering a multielement detector, while maintaining information content thereinJ A WOOLLAM CO INC·Filed 2019·Granted Apr 21, 2020·3 cites·20 claims
- 1289US7505134B1Automated ellipsometer and the like systemsJ A WOOLLAM CO INC·Filed 2006·Granted Mar 17, 2009·15 cites·22 claims
- 1388US10338362B1Beam focusing and reflecting optics with enhanced detector systemJ A WOOLLAM CO INC·Filed 2018·Granted Jul 2, 2019·3 cites·20 claims
- 1488US7746471B1Flying mobile on-board ellipsometer, polarimeter, reflectometer and the like systemsJ A WOOLLAM CO INC·Filed 2007·Granted Jun 29, 2010·13 cites·32 claims
- 1588US7717679B2Structure of balancing fanASIA VITAL COMPONENTS CO LTD·Filed 2006·Granted May 18, 2010·16 cites·6 claims
- 1687US8886995B1Fault tolerant state machine for configuring software in a digital computerPALLAPOTHU SATEESH·Filed 2011·Granted Nov 11, 2014·26 cites·8 claims
- 1787US8436994B2Fast sample height, AOI and POI alignment in mapping ellipsometer or the likeLIPHARDT MARTIN M·Filed 2011·Granted May 7, 2013·7 cites·7 claims
- 1887US7468794B1Rotating compensator ellipsometer system with spatial filter equivalentJ A WOOLLAM CO INC·Filed 2005·Granted Dec 23, 2008·12 cites·29 claims
- 1987US7277171B1Flying mobile on-board ellipsometer, polarimeter, reflectometer and the like systemsJ A WOOLLAN CO INC·Filed 2005·Granted Oct 2, 2007·18 cites·19 claims
- 2087US6188022B1Electrical box mounting system having removable ringsFiled 1999·Granted Feb 13, 2001·62 cites·4 claims
- 2187US6098939AElectrical junction box supporting bracketFiled 1999·Granted Aug 8, 2000·65 cites·11 claims
- 2286US12193308B2Display panel and display deviceWUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD·Filed 2021·Granted Jan 7, 2025·1 cites·14 claims
- 2386US11406030B2Rollable flexible display deviceWUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD·Filed 2020·Granted Aug 2, 2022·2 cites·12 claims
- 2486US7336361B1Spectroscopic ellipsometer and polarimeter systemsJ A WOOLLAM CO INC·Filed 2005·Granted Feb 26, 2008·15 cites·26 claims
- 2586US6859278B1Multi-AOI-system for easy changing angles-of-incidence in ellipsometer, polarimeter and reflectometer systemsJ A WOOLLAM CO INC·Filed 2002·Granted Feb 22, 2005·29 cites·19 claims
- 2686US5666201AMultiple order dispersive optics system and method of useJ A WOOLLAM CO INC·Filed 1995·Granted Sep 9, 1997·95 cites·20 claims
- 2785US9500843B1Beam focusing and beam collecting opticsJ A WOOLLAM CO INC·Filed 2016·Granted Nov 22, 2016·4 cites·5 claims
- 2885US7872751B2Fast sample height, AOI and POI alignment in mapping ellipsometer or the likeJ A WOOLLAM CO INC·Filed 2008·Granted Jan 18, 2011·10 cites·29 claims
- 2983US9933357B1Elliposometer system with polarization state generator and polarization state analyzer in environmental chamberJ A WOOLLAM CO INC·Filed 2017·Granted Apr 3, 2018·2 cites·10 claims
- 3083US8339602B1View-finder in ellipsometer or the like systemsLIPHARDT MARTIN M·Filed 2009·Granted Dec 25, 2012·8 cites·16 claims
- 3183US7746472B1Automated ellipsometer and the like systemsJ A WOOLLAM CO INC·Filed 2008·Granted Jun 29, 2010·8 cites·29 claims
- 3283US7075650B1Discrete polarization state spectroscopic ellipsometer system and method of useJ A WOOLLAM CO INC·Filed 2003·Granted Jul 11, 2006·22 cites·28 claims
- 3383US5963327ATotal internal reflection electromagnetic radiation beam entry to, and exit from, ellipsometer, polarimeter, reflectometer and the like systemsJ A WOOLLAM CO INC·Filed 1998·Granted Oct 5, 1999·69 cites·19 claims
- 3482US12405210B1System for, and calibration and testing of directed beam ellipsometer systemsJ A WOOLLAM CO INC·Filed 2023·Granted Sep 2, 2025·0 cites·4 claims
- 3582US10247611B1Enhanced detector operation made possible by application of a functional plurality of gratings and combination dichroic beam splitter-prismsLIPHARDT MARTIN M·Filed 2015·Granted Apr 2, 2019·3 cites·30 claims
- 3682US7304737B1Rotating or rotatable compensator system providing aberation corrected electromagnetic raadiation to a spot on a sample at multiple angles of a incidenceJ A WOOLLAM CO INC·Filed 2006·Granted Dec 4, 2007·8 cites·17 claims
- 3782US7158231B1Spectroscopic ellipsometer and polarimeter systemsJ A WOOLLAM CO INC·Filed 2003·Granted Jan 2, 2007·26 cites·28 claims
- 3882US6804004B1Multiple-element lens systems and methods for uncorrelated evaluation of parameters in parameterized mathematical model equations for lens retardance, in ellipometry and polarimetryJ A WOOLLAM CO INC·Filed 2000·Granted Oct 12, 2004·21 cites·30 claims
- 3981US10989601B1Beam focusing and reflective opticsJ A WOOLLAM CO INC·Filed 2020·Granted Apr 27, 2021·1 cites·17 claims
- 4081US9442016B2Reflective focusing opticsJ A WOOLLAM CO INC·Filed 2014·Granted Sep 13, 2016·4 cites·18 claims
- 4181US8467057B1Ellipsometers and polarimeters comprising polarization state compensating beam directing sample wobble compensating system, and method of useJOHS BLAINE D·Filed 2011·Granted Jun 18, 2013·5 cites·19 claims
- 4281US7489400B1System and method of applying xenon arc-lamps to provide 193 nm wavelengthsJ A WOOLLAM CO INC·Filed 2006·Granted Feb 10, 2009·7 cites·28 claims
- 4380US9921395B1Beam focusing and beam collecting optics with wavelength dependent filter element adjustment of beam areaJ A WOOLLAM CO INC·Filed 2016·Granted Mar 20, 2018·3 cites·38 claims
- 4480US9426276B2System and method for performing mobile telephone calling and/or messaging operations in-game during computer game application executionRAZER (ASIA-PACIFIC) PTE LTD·Filed 2013·Granted Aug 23, 2016·4 cites·20 claims
- 4580US7274450B1Sample entry purge system in spectrophotometer, ellipsometer, polarimeter and the like systemsJ A WOOLLAM CO INC·Filed 2004·Granted Sep 25, 2007·19 cites·9 claims
- 4679US7245376B2Combined spatial filter and relay systems in rotating compensator ellipsometer/polarimeterJ A WOOLLAM CO INC·Filed 2005·Granted Jul 17, 2007·9 cites·33 claims
- 4779US7215424B1Broadband ellipsometer or polarimeter system including at least one multiple element lensJ A WOOLLAM CO INC·Filed 2005·Granted May 8, 2007·6 cites·23 claims
- 4879US4658827AUltrasound scanner for tissue characterizationMAYO MEDICAL RESOURCES·Filed 1985·Granted Apr 21, 1987·43 cites·14 claims
- 4979US2024291040A1Secondary battery cell and winding formation system thereofNINGDE AMPEREX TECHNOLOGY LTD·Filed 2024·Application pending·0 cites
- 5079US2025040409A1Display panel and display device with improved shrinkage performance of curved regionsWUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD·Filed 2024·Application pending·0 cites
Showing the top 50 of 171 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →