Inventor · disambiguated record
Douglas M. Johnston
Also filed as: JOHNSTON DOUGLAS · JOHNSTON DOUGLAS M
16 granted patents·2 pending applications·1,191 citations·filing 1991–2013
94Inventor score
Top patents by PatentIndex Score
18 records- 0197US8384916B2Dynamic three-dimensional imaging of ear canalsMASSACHUSETTS INST TECHNOLOGY·Filed 2011·Granted Feb 26, 2013·28 cites·20 claims
- 0296US6158432AVentilator control system and methodCARDIOPULMONARY CORP·Filed 1998·Granted Dec 12, 2000·319 cites·10 claims
- 0395US8845526B2Integrated otoscope and three dimensional scanning systemHART DOUGLAS P·Filed 2012·Granted Sep 30, 2014·21 cites·20 claims
- 0491US5931160AVentilator control system and methodCARDIOPULMONARY CORP·Filed 1995·Granted Aug 3, 1999·418 cites·40 claims
- 0586US9013701B2Positioning an input transducer for an earpiece based upon dynamic dataMASSACHUSETTS INST TECHNOLOGY·Filed 2013·Granted Apr 21, 2015·3 cites·20 claims
- 0683US8493574B2Imaging shape changes in ear canalsMASSACHUSETTS INST TECHNOLOGY·Filed 2013·Granted Jul 23, 2013·10 cites·14 claims
- 0782US8743377B2Using dynamic data to determine a material profile for earpieceMASSACHUSETTS INST TECHNOLOGY·Filed 2013·Granted Jun 3, 2014·2 cites·20 claims
- 0882US5664563APneumatic systemCARDIOPULMONARY CORP·Filed 1994·Granted Sep 9, 1997·223 cites·14 claims
- 0981US9291565B2Three dimensional scanning using membrane with optical featuresHART DOUGLAS P·Filed 2012·Granted Mar 22, 2016·14 cites·19 claims
- 1072US5377671ACardiac synchronous ventilationCARDIOPULMONARY CORP·Filed 1991·Granted Jan 3, 1995·146 cites·13 claims
- 1166US9140649B2Inflatable membrane having non-uniform inflation characteristicHART DOUGLAS P·Filed 2012·Granted Sep 22, 2015·3 cites·19 claims
- 1263US9170200B2Inflatable membrane with hazard mitigationHART DOUGLAS P·Filed 2012·Granted Oct 27, 2015·2 cites·16 claims
- 1363US9170199B2Enhanced sensors in three dimensional scanning systemHART DOUGLAS P·Filed 2012·Granted Oct 27, 2015·2 cites·15 claims
- 1455US9448061B2Selecting an earpiece based on dynamic dataMASSACHUSETTS INST TECHNOLOGY·Filed 2013·Granted Sep 20, 2016·0 cites·16 claims
- 1555US9175945B2Evaluating fit of an earpiece based on dynamic dataMASSACHUSETTS INST TECHNOLOGY·Filed 2013·Granted Nov 3, 2015·0 cites·20 claims
- 1655US8874404B2Simulating earpiece fit based upon dynamic dataMASSACHUSETTS INST TECHNOLOGY·Filed 2013·Granted Oct 28, 2014·0 cites·20 claims
- 1742US2013027516A1Camera configuration for three-dimensional imaging of interior spacesHART DOUGLAS P·Filed 2012·Application pending·0 cites
- 1841US2002026941A1Ventilator control system and methodFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →