Inventor · disambiguated record
Maria Porrini
Also filed as: PORRINI MARIA
10 granted patents·3 pending applications·10 citations·filing 2002–2024
79Inventor score
Files withGLOBALWAFERS CO LTD10MEMC ELECTRONIC MATERIALS1MEMC ELECTRONIC MATERIALS SPA1SUNEDISON SEMICONDUCTOR LTD1
Top patents by PatentIndex Score
13 records- 0184US12398483B2Ingot puller apparatus having a flange that extends from the funnel or from the silicon feed tubeGLOBALWAFERS CO LTD·Filed 2024·Granted Aug 26, 2025·0 cites·6 claims
- 0277US11085128B2Dopant concentration control in silicon melt to enhance the ingot qualityGLOBALWAFERS CO LTD·Filed 2019·Granted Aug 10, 2021·1 cites·30 claims
- 0373US12037698B2Ingot puller apparatus having a flange that extends from the funnel or from the silicon feed tubeGLOBALWAFERS CO LTD·Filed 2022·Granted Jul 16, 2024·0 cites·11 claims
- 0466US6803576B2Analytical method to measure nitrogen concentration in single crystal siliconMEMC ELECTRONIC MATERIALS SPA·Filed 2002·Granted Oct 12, 2004·9 cites·58 claims
- 0565US11987901B2Methods for forming a silicon substrate with reduced grown-in nuclei for epitaxial defects and methods for forming an epitaxial waferGLOBALWAFERS CO LTD·Filed 2022·Granted May 21, 2024·0 cites·16 claims
- 0661US11866845B2Methods for growing single crystal silicon ingots that involve silicon feed tube inert gas controlGLOBALWAFERS CO LTD·Filed 2022·Granted Jan 9, 2024·0 cites·14 claims
- 0759US11987900B2Methods for forming a silicon substrate with reduced grown-in nuclei for epitaxial defects and methods for forming an epitaxial waferGLOBALWAFERS CO LTD·Filed 2020·Granted May 21, 2024·0 cites·7 claims
- 0857US12467877B2Methods for detecting defects in a single crystal silicon structureGLOBALWAFERS CO LTD·Filed 2024·Granted Nov 11, 2025·0 cites·20 claims
- 0952US2024218557A1Methods for producing off-orientation single crystal silicon wafersGLOBALWAFERS CO LTD·Filed 2023·Application pending·0 cites
- 1051US11987899B2Methods for preparing an ingot in an ingot puller apparatus and methods for selecting a side heater length for such apparatusGLOBALWAFERS CO LTD·Filed 2020·Granted May 21, 2024·0 cites·20 claims
- 1151US9359691B2Method of loading a charge of polysilicon into a crucibleMEMC ELECTRONIC MATERIALS·Filed 2012·Granted Jun 7, 2016·0 cites·16 claims
- 1243US2022359195A1Methods for forming an epitaxial waferGLOBALWAFERS CO LTD·Filed 2022·Application pending·0 cites
- 1329US2018030614A1Feed system for crystal growing systemsSUNEDISON SEMICONDUCTOR LTD·Filed 2015·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →