Inventor · disambiguated record
David J. Chapman
Also filed as: CHAPMAN DAVID J · CHAPMAN DAVID JOSEPH
19 granted patents·3 pending applications·495 citations·filing 1988–2013
95Inventor score
Top patents by PatentIndex Score
22 records- 0196US6161894AFlexible electric cable for sliding vehicle doorDELPHI TECH INC·Filed 1999·Granted Dec 19, 2000·97 cites·10 claims
- 0293US5588258APower operator for pivotable vehicle closure elementGEN MOTORS CORP·Filed 1995·Granted Dec 31, 1996·97 cites·8 claims
- 0392US6390535B1Sliding door closure apparatusDELPHI TECH INC·Filed 2000·Granted May 21, 2002·43 cites·11 claims
- 0485US5896703APower liftgate cable driveGEN MOTORS CORP·Filed 1998·Granted Apr 27, 1999·62 cites·3 claims
- 0584US6450061B1Adjustable pedal system with misalignment sensorDELPHI TECH INC·Filed 2000·Granted Sep 17, 2002·31 cites·20 claims
- 0683US6341809B1Liftgate counterbalance systemDELPHI TECH INC·Filed 2000·Granted Jan 29, 2002·34 cites·9 claims
- 0780US8340523B2Tunable optical filterSHEN JINXI·Filed 2009·Granted Dec 25, 2012·12 cites·11 claims
- 0877US8983244B2Optical interferometerSHEN JINXI·Filed 2012·Granted Mar 17, 2015·4 cites·17 claims
- 0977US6405486B1Vehicle liftgate power operating systemDELPHI TECH INC·Filed 2000·Granted Jun 18, 2002·27 cites·10 claims
- 1075US9285538B2Reducing temperature drift of an arrayed waveguide gratingLUMENTUM OPERATIONS LLC·Filed 2013·Granted Mar 15, 2016·4 cites·20 claims
- 1173US6561569B1Drive mechanism for power operated slideable side doorDELPHI TECH INC·Filed 2002·Granted May 13, 2003·21 cites·16 claims
- 1266US7077773B2Drive assembly with dynamic tensioning deviceDELPHI TECH INC·Filed 2003·Granted Jul 18, 2006·10 cites·18 claims
- 1365US6583388B2High thermal efficiency, small form-factor packages including thermally insulative cavities, and transfer molded variantsJDS UNIPHASE CORP·Filed 2001·Granted Jun 24, 2003·9 cites·34 claims
- 1462US6697553B2Compact, low insertion loss, high yield arrayed waveguide gratingJDS UNIPHASE CORP·Filed 2002·Granted Feb 24, 2004·9 cites·78 claims
- 1557US8213752B2Coherent optical mixer and a method of coherent detection of lightCHAPMAN DAVID J·Filed 2009·Granted Jul 3, 2012·3 cites·20 claims
- 1649US6606425B1Transfer molded packages with embedded thermal insulationJDS UNIPHASE CORP·Filed 2002·Granted Aug 12, 2003·2 cites·13 claims
- 1749US6018912AVehicle liftgate counter balance systemGEN MOTORS CORP·Filed 1998·Granted Feb 1, 2000·15 cites·2 claims
- 1849US4871309AApparatus for preparing samplesDJC ELECTRICAL ENG·Filed 1988·Granted Oct 3, 1989·15 cites·15 claims
- 1947US7861200B2Setup and hold time characterization device and methodFREESCALE SEMICONDUCTOR INC·Filed 2008·Granted Dec 28, 2010·0 cites·20 claims
- 2043US2004095250A1Apparatus and method for detecting an objectFiled 2002·Application pending·0 cites
- 2139US2002096011A1Adjustable pedal system with pedal step over retentionFiled 2001·Application pending·0 cites
- 2236US2002180237A1Drive mechanism for power operated slideable side door and roller and hinge assembly thereforFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →