Inventor · disambiguated record
David Shapiro
Also filed as: SHAPIRO DAVID · SHAPIRO DAVID V
30 granted patents·9 pending applications·392 citations·filing 1973–2023
97Inventor score
Files withIT S ACADEMIC OF ILLINOIS INC23VISIC TECH LTD7HEWLETT PACKARD CO5IT S ACADEMIC INC3SHAPIRO DAVID V1
Top patents by PatentIndex Score
39 records- 0192USD572024SLocker mirrorIT S ACADEMIC OF ILLINOIS INC·Filed 2007·Granted Jul 1, 2008·74 cites·1 claims
- 0290US10715131B2Switching power deviceVISIC TECH LTD·Filed 2016·Granted Jul 14, 2020·10 cites·15 claims
- 0389US6971529B1Magnetic shelf unit for a lockerIT S ACADEMIC OF ILLINOIS INC·Filed 2004·Granted Dec 6, 2005·46 cites·5 claims
- 0484US7082692B2Adjustable multifunction rulerIT S ACADEMIC INC·Filed 2004·Granted Aug 1, 2006·43 cites·8 claims
- 0581USD481074SExpanding fileIT S ACADEMIC OF ILLINOIS INC·Filed 2002·Granted Oct 21, 2003·28 cites·1 claims
- 0680US7478965B2Notebook/portfolio with writing padIT S ACADEMIC OF ILLINOIS INC·Filed 2005·Granted Jan 20, 2009·4 cites·18 claims
- 0779US10298227B2Power device for high voltage and high current switchingVISIC TECH LTD·Filed 2017·Granted May 21, 2019·4 cites·7 claims
- 0877USD537249SStorage cubeIT S ACADEMIC OF ILLINOIS INC·Filed 2005·Granted Feb 27, 2007·24 cites·1 claims
- 0976US7353958B2Magnetic shelf unit for a lockerIT S ACADEMIC OF ILLINOIS INC·Filed 2005·Granted Apr 8, 2008·8 cites·11 claims
- 1073USD511916SLocker shelfIT S ACADEMIC OF ILLINOIS INC·Filed 2004·Granted Nov 29, 2005·20 cites·1 claims
- 1172USD522284SLocker shelfIT S ACADEMIC OF ILLINOIS INC·Filed 2005·Granted Jun 6, 2006·20 cites·1 claims
- 1272US6964110B2RulerIT S ACADEMIC OF ILLINOIS INC·Filed 2003·Granted Nov 15, 2005·19 cites·24 claims
- 1370US12149233B2Power switch with normally on transistorVISIC TECH LTD·Filed 2021·Granted Nov 19, 2024·1 cites·7 claims
- 1462US2007227926A1Portable document organizerIT S ACADEMIC OF ILLINOIS INC·Filed 2006·Application pending·0 cites
- 1560US2007201942A1Storage receptacle for school suppliesIT S ACADEMIC OF ILLINOIS INC·Filed 2006·Application pending·0 cites
- 1660US2007235506A1Expandable portfolioIT S ACADEMIC OF ILLINOIS INC·Filed 2006·Application pending·0 cites
- 1759US2008000864A1Magnetic shelf unit for a lockerIT S ACADEMIC OF ILLINOIS INC·Filed 2007·Application pending·0 cites
- 1858USD562555SExpandable file folderIT S ACADEMIC OF ILLINOIS INC·Filed 2005·Granted Feb 26, 2008·15 cites·1 claims
- 1958US6910621B2Expanding file portfolioIT S ACADEMIC OF ILLINOIS INC·Filed 2002·Granted Jun 28, 2005·3 cites·15 claims
- 2053USD545103SLocker vanityIT S ACADEMIC OF ILLINOIS INC·Filed 2005·Granted Jun 26, 2007·9 cites·1 claims
- 2153US3996562AProgrammable electronic calculator for evaluating mathematical problemsHEWLETT PACKARD CO·Filed 1973·Granted Dec 7, 1976·17 cites·6 claims
- 2253US2007029905A1Folding shelf unit for a lockerIT S ACADEMIC OF ILLINOIS INC·Filed 2005·Application pending·0 cites
- 2353US2007051284A1Space organizer for a lockerIT S ACADEMIC OF ILLINOIS INC·Filed 2005·Application pending·0 cites
- 2452USD580203SLocker vanityIT S ACADEMIC OF ILLINOIS INC·Filed 2007·Granted Nov 11, 2008·9 cites·1 claims
- 2551US2013157246A1Removable dry erase boardSHAPIRO DAVID V·Filed 2011·Application pending·0 cites
- 2647US7413320B2Illuminating eraserIT S ACADEMIC INC·Filed 2006·Granted Aug 19, 2008·0 cites·15 claims
- 2747USD493735SRulerIT S ACADEMIC OF ILLINOIS INC·Filed 2003·Granted Aug 3, 2004·7 cites·1 claims
- 2847USD477844SCompassIT S ACADEMIC OF ILLINOIS INC·Filed 2002·Granted Jul 29, 2003·7 cites·1 claims
- 2945US11764768B2Dynamic slew rate controllerVISIC TECH LTD·Filed 2021·Granted Sep 19, 2023·0 cites·16 claims
- 3044US2025125713A1Dynamic deadtimeVISIC TECH LTD·Filed 2023·Application pending·0 cites
- 3140USD554181SCompassIT S ACADEMIC INC·Filed 2006·Granted Oct 30, 2007·5 cites·1 claims
- 3239USD486747SRulerIT S ACADEMIC OF ILLINOIS INC·Filed 2003·Granted Feb 17, 2004·4 cites·1 claims
- 3335US2023012109A1Over-voltage protection circuitryVISIC TECH LTD·Filed 2020·Application pending·0 cites
- 3433USD544278SLocker vanityIT S ACADEMIC OF ILLINOIS INC·Filed 2005·Granted Jun 12, 2007·2 cites·1 claims
- 3532US4381554ACalculator for storing source data and evaluating numerical answers to problemsHEWLETT PACKARD CO·Filed 1981·Granted Apr 26, 1983·6 cites·21 claims
- 3631US11258439B2High-voltage fast switching devicesVISIC TECH LTD·Filed 2018·Granted Feb 22, 2022·0 cites·32 claims
- 3730US4309761ACalculator for evaluating numerical answers to problemsHEWLETT PACKARD CO·Filed 1979·Granted Jan 5, 1982·4 cites·7 claims
- 3828US4611307AFunction analyzingHEWLETT PACKARD CO·Filed 1985·Granted Sep 9, 1986·2 cites·14 claims
- 3927US4198684AElectronic calculator with keyboard-controlled unary function capabilityHEWLETT PACKARD CO·Filed 1976·Granted Apr 15, 1980·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →