Inventor · disambiguated record
Clifford Drowley
Also filed as: DROWLEY CLIFFORD I · DROWLEY CLIFFORD IAN · DROWLEY Clifford
73 granted patents·11 pending applications·639 citations·filing 1983–2025
98Inventor score
Files withSEMICONDUCTOR COMPONENTS IND LLC21SEMICONDUCTOR MFG INT SHANGHAI CORP17NEXGEN POWER SYSTEMS INC14NINGBO SEMICONDUCTOR INT CORP9MOTOROLA INC7
Top patents by PatentIndex Score
84 records- 0196US11315884B2Method and system for fabricating fiducials using selective area growthNEXGEN POWER SYSTEMS INC·Filed 2020·Granted Apr 26, 2022·5 cites·20 claims
- 0295US11929440B2Fabrication method for JFET with implant isolationNEXGEN POWER SYSTEMS INC·Filed 2023·Granted Mar 12, 2024·2 cites·20 claims
- 0394US12155204B2Method and system for fin-based voltage clampSEMICONDUCTOR COMPONENTS IND LLC·Filed 2023·Granted Nov 26, 2024·2 cites·20 claims
- 0494US11335810B2Method and system for fabrication of a vertical fin-based field effect transistorNEXGEN POWER SYSTEMS INC·Filed 2020·Granted May 17, 2022·3 cites·14 claims
- 0593US7312484B1Pixel having an oxide layer with step regionCYPRESS SEMICONDUCTOR CORP·Filed 2006·Granted Dec 25, 2007·14 cites·19 claims
- 0693US6023081ASemiconductor image sensorMOTOROLA INC·Filed 1997·Granted Feb 8, 2000·146 cites·4 claims
- 0791US11637209B2JFET with implant isolationNEXGEN POWER SYSTEMS INC·Filed 2020·Granted Apr 25, 2023·2 cites·16 claims
- 0891US4507158ATrench isolated transistors in semiconductor filmsHEWLETT PACKARD CO·Filed 1983·Granted Mar 26, 1985·88 cites·27 claims
- 0988US11575000B2Super-junction based vertical gallium nitride JFET power devicesNEXGEN POWER SYSTEMS INC·Filed 2021·Granted Feb 7, 2023·1 cites·10 claims
- 1087US6906302B2Photodetector circuit device and method thereofFREESCALE SEMICONDUCTOR INC·Filed 2002·Granted Jun 14, 2005·41 cites·27 claims
- 1187US4545823AGrain boundary confinement in silicon-on-insulator filmsHEWLETT PACKARD CO·Filed 1983·Granted Oct 8, 1985·62 cites·14 claims
- 1285US6777662B2System, circuit and method providing a dynamic range pixel cell with blooming protectionFREESCALE SEMICONDUCTOR INC·Filed 2002·Granted Aug 17, 2004·30 cites·76 claims
- 1384US12274086B2Fabrication method for JFET with implant isolationSEMICONDUCTOR COMPONENTS IND LLC·Filed 2024·Granted Apr 8, 2025·0 cites·17 claims
- 1484US12080757B2Method of fabricating super-junction based vertical gallium nitride JFET and MOSFET power devicesSEMICONDUCTOR COMPONENTS IND LLC·Filed 2023·Granted Sep 3, 2024·0 cites·10 claims
- 1583US2024371929A1Method of fabricating super-junction based vertical gallium nitride jfet and mosfet power devicesSEMICONDUCTOR COMPONENTS IND LLC·Filed 2024·Application pending·0 cites
- 1682US9947709B2CMOS image sensor and fabrication method thereofSEMICONDUCTOR MFG INT SHANGHAI CORP·Filed 2016·Granted Apr 17, 2018·7 cites·19 claims
- 1781US12272654B2Method and system for fabricating fiducials using selective area growthSEMICONDUCTOR COMPONENTS IND LLC·Filed 2024·Granted Apr 8, 2025·0 cites·20 claims
- 1881US11824086B2Method of fabricating super-junction based vertical gallium nitride JFET and MOSFET power devicesNEXGEN POWER SYSTEMS INC·Filed 2022·Granted Nov 21, 2023·0 cites·15 claims
- 1979US6221686B1Method of making a semiconductor image sensorMOTOROLA INC·Filed 2000·Granted Apr 24, 2001·26 cites·34 claims
- 2079US2025212467A1Fabrication method for jfet with implant isolationSEMICONDUCTOR COMPONENTS IND LLC·Filed 2025·Application pending·0 cites
- 2178US10790211B2Wafer-level packaging method and package structure thereofNINGBO SEMICONDUCTOR INT CORP·Filed 2018·Granted Sep 29, 2020·2 cites·12 claims
- 2276US12125914B2Method and system for fabrication of a vertical fin-based field effect transistorSEMICONDUCTOR COMPONENTS IND LLC·Filed 2023·Granted Oct 22, 2024·0 cites·20 claims
- 2376US10804177B2Wafer-level packaging method and package structure thereofNINGBO SEMICONDUCTOR INT CORP·Filed 2018·Granted Oct 13, 2020·2 cites·20 claims
- 2476US5232547ASimultaneously measuring thickness and composition of a filmMOTOROLA INC·Filed 1992·Granted Aug 3, 1993·35 cites·6 claims
- 2575US12334352B2Method and system for etch depth control in III-V semiconductor devicesSEMICONDUCTOR COMPONENTS IND LLC·Filed 2024·Granted Jun 17, 2025·0 cites·20 claims
- 2675US10686422B2Manufacturing of thin-film bulk acoustic resonator and semiconductor apparatus comprising the sameSEMICONDUCTOR MFG INT SHANGHAI CORP·Filed 2017·Granted Jun 16, 2020·2 cites·8 claims
- 2775US7749874B2Deep implant self-aligned to polysilicon gateTOWER SEMICONDUCTOR LTD·Filed 2007·Granted Jul 6, 2010·5 cites·3 claims
- 2875US2025031416A1Coupled guard rings for edge terminationSEMICONDUCTOR COMPONENTS IND LLC·Filed 2024·Application pending·0 cites
- 2974US10861822B2Wafer-level packaging method and package structure thereofNINGBO SEMICONDUCTOR INT CORP·Filed 2018·Granted Dec 8, 2020·1 cites·13 claims
- 3074US9953877B2Backside processed semiconductor deviceSEMICONDUCTOR MFG INT SHANGHAI CORP·Filed 2016·Granted Apr 24, 2018·2 cites·15 claims
- 3174US2024274602A1Self-aligned isolation for self-aligned contacts for vertical fetsSEMICONDUCTOR COMPONENTS IND LLC·Filed 2024·Application pending·0 cites
- 3274US2025055276A1Method and system for a fin-based voltage clampSEMICONDUCTOR COMPONENTS IND LLC·Filed 2024·Application pending·0 cites
- 3374US2025006784A1Method and system of junction termination extension in high voltage semiconductor devicesSEMICONDUCTOR COMPONENTS IND LLC·Filed 2024·Application pending·0 cites
- 3473US11935838B2Method and system for fabricating fiducials using selective area growthNEXGEN POWER SYSTEMS INC·Filed 2022·Granted Mar 19, 2024·0 cites·21 claims
- 3573US7427742B2Microlens for use with a solid-state image sensor and a non-telecentric taking lensCYPRESS SEMICONDUCTOR CORP·Filed 2003·Granted Sep 23, 2008·21 cites·14 claims
- 3672US12262557B2Methods and systems to improve uniformity in power FET arraysSEMICONDUCTOR COMPONENTS IND LLC·Filed 2022·Granted Mar 25, 2025·0 cites·12 claims
- 3772US6100556AMethod of forming a semiconductor image sensor and structureMOTOROLA INC·Filed 1997·Granted Aug 8, 2000·42 cites·19 claims
- 3871US11735671B2Method and system for fabrication of a vertical fin-based field effect transistorNEXGEN POWER SYSTEMS INC·Filed 2022·Granted Aug 22, 2023·0 cites·12 claims
- 3970US12484294B2Vertical fin-based field effect transistor (FinFET) with neutralized fin tipsSEMICONDUCTOR COMPONENTS IND LLC·Filed 2023·Granted Nov 25, 2025·0 cites·20 claims
- 4070US12224344B2Method and system for control of sidewall orientation in vertical gallium nitride field effect transistorsSEMICONDUCTOR COMPONENTS IND LLC·Filed 2022·Granted Feb 11, 2025·0 cites·14 claims
- 4170US9449950B2Semiconductor device, related manufacturing method, and related electronic deviceSEMICONDUCTOR MFG INT SHANGHAI CORP·Filed 2014·Granted Sep 20, 2016·2 cites·11 claims
- 4270US7173299B1Photodiode having extended well regionCYPRESS SEMICONDUCTOR CORP·Filed 2006·Granted Feb 6, 2007·2 cites·9 claims
- 4369US10910286B2Wafer-level system-in-package packaging method and package structure thereofNINGBO SEMICONDUCTOR INT CORP·Filed 2018·Granted Feb 2, 2021·1 cites·20 claims
- 4469US10756051B2Wafer-level system packaging method and package structureNINGBO SEMICONDUCTOR INT CORP·Filed 2018·Granted Aug 25, 2020·1 cites·20 claims
- 4569US9397116B2Semiconductor device having a closed cavity structure and method of manufacturing the sameSEMICONDUCTOR MFG INT SHANGHAI·Filed 2014·Granted Jul 19, 2016·2 cites·16 claims
- 4669US2025194236A1Method and system to improve uniformity in power fet arraysSEMICONDUCTOR COMPONENTS IND LLC·Filed 2025·Application pending·0 cites
- 4768US5144403ABipolar transistor with trench-isolated emitterHEWLETT PACKARD CO·Filed 1990·Granted Sep 1, 1992·30 cites·2 claims
- 4868US2023420547A1Vertical gallium nitride based fets with regrown source contactsNEXGEN POWER SYSTEMS INC·Filed 2023·Application pending·0 cites
- 4967US12136645B2Coupled guard rings for edge terminationSEMICONDUCTOR COMPONENTS IND LLC·Filed 2022·Granted Nov 5, 2024·0 cites·13 claims
- 5067US11996407B2Self-aligned isolation for self-aligned contacts for vertical FETSSEMICONDUCTOR COMPONENTS IND LLC·Filed 2021·Granted May 28, 2024·0 cites·17 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →