Inventor · disambiguated record
Johannes Hendrikus Maria Spruit
Also filed as: SPRUIT JOHANNES H M · SPRUIT JOHANNES HENDRIKUS M · SPRUIT JOHANNES HENDRIKUS MARI · SPRUIT JOHANNES HENDRIKUS MARIA
54 granted patents·13 pending applications·521 citations·filing 1999–2021
98Inventor score
Files withKONINKL PHILIPS ELECTRONICS NV30KONINKLIJKE PHILIPS NV14TRUMPF PHOTONIC COMPONENTS GMBH7PHILIPS PHOTONICS GMBH4SPRUIT JOHANNES H M2
Top patents by PatentIndex Score
67 records- 0196US6549495B1Record carrier, playback device and method of recording informationKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Apr 15, 2003·61 cites·17 claims
- 0296US6538982B1Record carrier and apparatus for scanning the record carrierKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Mar 25, 2003·74 cites·26 claims
- 0395US10379028B2Laser sensor for multi parameter detectionPHILIPS PHOTONICS GMBH·Filed 2016·Granted Aug 13, 2019·25 cites·20 claims
- 0495US6853615B1Optical record carrierKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Feb 8, 2005·50 cites·19 claims
- 0593US6469968B1Varying the process of rewriting to extend the life of a information carrierKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Oct 22, 2002·46 cites·19 claims
- 0692US11187643B2Laser sensor module for particle density detectionTRUMPF PHOTONIC COMPONENTS GMBH·Filed 2019·Granted Nov 30, 2021·10 cites·15 claims
- 0792US11119021B2Laser sensor for ultra-fine particle size detectionTRUMPF PHOTONIC COMPONENTS GMBH·Filed 2017·Granted Sep 14, 2021·6 cites·20 claims
- 0892US6714508B1Optical recording carrier having groove wobble phase changes between subsequent predetermined positionsKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Mar 30, 2004·33 cites·11 claims
- 0991US7221643B2Rewritable data storage medium having erasable identification marksKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Granted May 22, 2007·10 cites·6 claims
- 1091US6765861B2Record carrier and apparatus for scanning the record carrierKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Jul 20, 2004·29 cites·13 claims
- 1190US10866083B2Laser sensor for particle density detectionTRUMPF PHOTONIC COMPONENTS GMBH·Filed 2016·Granted Dec 15, 2020·10 cites·16 claims
- 1289US11054244B2Method of suppressing false positive signals during self mixing interference particle detectionTRUMPF PHOTONIC COMPONENTS GMBH·Filed 2019·Granted Jul 6, 2021·7 cites·17 claims
- 1386US11692925B2Optical particle sensor modulePHILIPS PHOTONICS GMBH·Filed 2019·Granted Jul 4, 2023·3 cites·19 claims
- 1485US10188203B2Systems and methods for providing motivation feedback to a user before brushingKONINKLIJKE PHILIPS NV·Filed 2015·Granted Jan 29, 2019·6 cites·10 claims
- 1584US6967909B2Method and device for recording information in unitsKONINK PHILIPS ELECTORNICS N V·Filed 2003·Granted Nov 22, 2005·20 cites·11 claims
- 1683US6986150B2Rewritable data storage medium having erasable identification marksKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Jan 10, 2006·14 cites·6 claims
- 1781US9526598B2Gum detection in a dental hygiene detection apparatus by stream probe blockingKONINKLIJKE PHILIPS NV·Filed 2013·Granted Dec 27, 2016·4 cites·14 claims
- 1880US6628583B1Method and device for recording information in linking block unitsKONINKL PHILIPS ELECTRONICS NV·Filed 1999·Granted Sep 30, 2003·28 cites·13 claims
- 1979US7362673B2Optical recording method and apparatus using this methodKONINKL PHILIPS ELECTRONICS NV·Filed 2006·Granted Apr 22, 2008·3 cites·15 claims
- 2079US7054245B2Record carrier, playback device and method of recording informationKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted May 30, 2006·10 cites·10 claims
- 2178US9668842B2Plaque detection using a stream probeKONINKLIJKE PHILIPS NV·Filed 2013·Granted Jun 6, 2017·7 cites·14 claims
- 2277US7123563B2Optical recording method and apparatus using this methodKONINKL PHILIPS ELECTRONICS NV·Filed 2004·Granted Oct 17, 2006·10 cites·11 claims
- 2373US10732091B2Laser sensor for particle size detectionPHILIPS PHOTONICS GMBH·Filed 2016·Granted Aug 4, 2020·1 cites·20 claims
- 2472US10105202B2Toothbrush with automatic detection of brushing angleKONINKLIJKE PHILIPS NV·Filed 2015·Granted Oct 23, 2018·1 cites·2 claims
- 2572US7038991B1Method and device for recording information in unitsKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted May 2, 2006·9 cites·26 claims
- 2669US6717895B2Methods of determining the optimal erase and write power, and recording apparatus with devices for said methodsKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Apr 6, 2004·6 cites·20 claims
- 2766US7738327B2Device and method for scanning an optical recording medium and optical recording mediumKONINKL PHILIPS ELECTRONICS NV·Filed 2006·Granted Jun 15, 2010·1 cites·19 claims
- 2865US6584051B1Methods of determining the optimal erase and write power, and recording apparatus with devices for said methodsKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Jun 24, 2003·5 cites·20 claims
- 2964US12436247B2Laser sensor module with soiling detectionTRUMPF PHOTONIC COMPONENTS GMBH·Filed 2021·Granted Oct 7, 2025·0 cites·15 claims
- 3064US10980624B2Toothbrush with automatic detection of brushing angleKONINKLIJKE PHILIPS NV·Filed 2018·Granted Apr 20, 2021·0 cites·9 claims
- 3164US7426160B2Device for detecting position information from an optical record carrierKONINKL PHILIPS ELECTRONICS NV·Filed 2004·Granted Sep 16, 2008·4 cites·18 claims
- 3264US7269113B2Power correction for device for scanning a record carrierKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Sep 11, 2007·5 cites·7 claims
- 3363US9750589B2Plaque detection using a stream probeKONINKLIJKE PHILIPS NV·Filed 2013·Granted Sep 5, 2017·1 cites·9 claims
- 3463US9360774B2Lithographic apparatus with a deformation sensorASML NETHERLANDS BV·Filed 2012·Granted Jun 7, 2016·1 cites·13 claims
- 3563US7355937B2Method and device for recording information in unitsKOININKLIJKE PHILIPS ELECTRONI·Filed 2005·Granted Apr 8, 2008·1 cites·15 claims
- 3662US11428819B2Laser sensor for particle detectionTRUMPF PHOTONIC COMPONENTS GMBH·Filed 2017·Granted Aug 30, 2022·1 cites·18 claims
- 3762US9814552B2Gum detection using an optical detector in a dental hygiene detection apparatusKONINKLIJKE PHILIPS NV·Filed 2013·Granted Nov 14, 2017·1 cites·28 claims
- 3861US8154965B2Method and device for retrieving information from an optical record carrier at various reading speedsSPRUIT JOHANNES H M·Filed 2006·Granted Apr 10, 2012·2 cites·9 claims
- 3959US7110336B2Methods, optical recording apparatus using such methods and optical recording medium for use by the methods and the apparatusKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Sep 19, 2006·5 cites·21 claims
- 4058US7330415B2Optical record carrier recording method and recording apparatusKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Feb 12, 2008·3 cites·8 claims
- 4157US11441998B2Laser sensor module with indication of readiness for useTRUMPF PHOTONIC COMPONENTS GMBH·Filed 2020·Granted Sep 13, 2022·0 cites·15 claims
- 4255US9918814B2Plaque detection using a stream probeKONINKLIJKE PHILIPS NV·Filed 2013·Granted Mar 20, 2018·0 cites·8 claims
- 4355USRE44659ERecord carrier, playback device and method of recording informationSPRUIT JOHANNES H M·Filed 2008·Granted Dec 24, 2013·0 cites·23 claims
- 4453US2015282912A1Plaque detection using a stream probeKONINKL PHILIPS NV·Filed 2013·Application pending·0 cites
- 4552US11092536B2Laser sensor module for particle detection with offset beamPHILIPS PHOTONICS GMBH·Filed 2019·Granted Aug 17, 2021·0 cites·14 claims
- 4651US11589751B2Method and apparatus for early caries detectionKONINKLIJKE PHILIPS NV·Filed 2018·Granted Feb 28, 2023·0 cites·15 claims
- 4750US10448729B2Oral care device having a pump-free fluid delivery systemKONINKLIJKE PHILIPS NV·Filed 2015·Granted Oct 22, 2019·0 cites·14 claims
- 4848US8407415B2De-icing of multi-layer storage mediaBRONDIJK ROBERT ALBERTUS·Filed 2006·Granted Mar 26, 2013·0 cites·9 claims
- 4947US10603060B2Attachment assemblies for oral hygiene devices having improved fluid chamber, fluid channel, fluid exit hole, air inlet hole, and air channel featuresKONINKLIJKE PHILIPS NV·Filed 2016·Granted Mar 31, 2020·0 cites·15 claims
- 5047US2009296561A1Multi-spot detector arrangement for multi-layer record carriersKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Application pending·0 cites
Showing the top 50 of 67 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →