Inventor · disambiguated record
Stephan Harkema
Also filed as: HARKEMA STEPHAN
16 granted patents·6 pending applications·92 citations·filing 2010–2024
90Inventor score
Files withTNO10ILLUMIX SURGICAL CANADA INC7DUPONT TEIJIN FILMS U S LTD PARTNERSHIP1FAN CHIA-CHEN1KONINKLIJKE PHILIPS NV1
Top patents by PatentIndex Score
22 records- 0194US10292784B2Illuminating surgical deviceILLUMIX SURGICAL CANADA INC·Filed 2015·Granted May 21, 2019·37 cites·19 claims
- 0294US10213271B2Illuminating surgical device and control elementILLUMIX SURGICAL CANADA INC·Filed 2016·Granted Feb 26, 2019·36 cites·11 claims
- 0391US9093666B2Light-emitting device and method for manufacturing the sameYOUNG EDWARD WILLEM ALBERT·Filed 2011·Granted Jul 28, 2015·14 cites·7 claims
- 0481US2025082428A1Illuminating surgical device and control elementILLUMIX SURGICAL CANADA INC·Filed 2024·Application pending·0 cites
- 0572US12090001B2Illuminating surgical device and control elementILLUMIX SURGICAL CANADA INC·Filed 2021·Granted Sep 17, 2024·0 cites·20 claims
- 0672US11395712B1Illuminating surgical deviceILLUMIX SURGICAL CANADA INC·Filed 2019·Granted Jul 26, 2022·1 cites·18 claims
- 0772US10038168B2Photoactive birefringent materials in OLEDsTNO·Filed 2014·Granted Jul 31, 2018·2 cites·15 claims
- 0869US12336864B1Illuminating surgical deviceILLUMIX SURGICAL CANADA INC·Filed 2022·Granted Jun 24, 2025·0 cites·20 claims
- 0966US9333531B2Opto-electric device and method for manufacturing the sameFAN CHIA-CHEN·Filed 2010·Granted May 10, 2016·1 cites·8 claims
- 1061US11033352B2Illuminating surgical device and control elementILLUMIX SURGICAL CANADA INC·Filed 2018·Granted Jun 15, 2021·0 cites·10 claims
- 1156US9711758B2Organic light-emitting diode light source comprising a polyester film and a method of improving light extraction from said light sourceDUPONT TEIJIN FILMS U S LTD PARTNERSHIP·Filed 2015·Granted Jul 18, 2017·1 cites·43 claims
- 1254US11474290B2Segmented light guide having light-blocking groove between segments, and a method of manufacturingTNO·Filed 2019·Granted Oct 18, 2022·0 cites·19 claims
- 1351US12349286B2Recyclable electronic deviceTNO·Filed 2022·Granted Jul 1, 2025·0 cites·18 claims
- 1447US11175445B2Hot spot reduction in segmented flexible light guidesTNO·Filed 2019·Granted Nov 16, 2021·0 cites·22 claims
- 1546US12185474B2Electronic device with multilayer laminateTNO·Filed 2020·Granted Dec 31, 2024·0 cites·20 claims
- 1646US2023247862A1Thermoformed device with oled display and method of fabricationTNO·Filed 2021·Application pending·0 cites
- 1743US12101887B2Preventing liquid ingress in a deviceKONINKLIJKE PHILIPS NV·Filed 2021·Granted Sep 24, 2024·0 cites·15 claims
- 1843US2025040037A13d-shaped module with integrated devices and methodTNO·Filed 2022·Application pending·0 cites
- 1940US11921955B2Proximity sensitive display elementTNO·Filed 2019·Granted Mar 5, 2024·0 cites·16 claims
- 2040US2016049610A1Nanocomposite, method to produce the same, a barrier structure for an electronic device and an oled comprising the sameTNO·Filed 2014·Application pending·0 cites
- 2134US2018013099A1Electro-optical device stackNEDERLANDSE ORGANISATIE VOOR TOEGEPAST- NATUURWETENSCHAPPELIJK ONDERZOEK TNO·Filed 2016·Application pending·0 cites
- 2232US2018358586A1Improved light emission in oledsTNO·Filed 2016·Application pending·0 cites
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