Inventor
SPRUIT JOHANNES HENDRIKUS MARIA
NL29 patents
⚠️ This page may combine multiple inventors who share the name “SPRUIT JOHANNES HENDRIKUS MARIA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONINKLIJKE PHILIPS NV
12 patentsUS9668842B2Jun 6, 2017
Plaque detection using a stream probe
KONINKLIJKE PHILIPS NV7 citations83
US9526598B2Dec 27, 2016
Gum detection in a dental hygiene detection apparatus by stream probe blocking
KONINKLIJKE PHILIPS NV4 citations83
US10188203B2Jan 29, 2019
Systems and methods for providing motivation feedback to a user before brushing
KONINKLIJKE PHILIPS NV6 citations70
US11589751B2Feb 28, 2023
Method and apparatus for early caries detection
KONINKLIJKE PHILIPS NV0 citations62
US10980624B2Apr 20, 2021
Toothbrush with automatic detection of brushing angle
KONINKLIJKE PHILIPS NV0 citations62
US9814552B2Nov 14, 2017
Gum detection using an optical detector in a dental hygiene detection apparatus
KONINKLIJKE PHILIPS NV1 citations62
US9750589B2Sep 5, 2017
Plaque detection using a stream probe
KONINKLIJKE PHILIPS NV1 citations62
US10105202B2Oct 23, 2018
Toothbrush with automatic detection of brushing angle
KONINKLIJKE PHILIPS NV1 citations51
US10448729B2Oct 22, 2019
Oral care device having a pump-free fluid delivery system
KONINKLIJKE PHILIPS NV0 citations41
US9918814B2Mar 20, 2018
Plaque detection using a stream probe
KONINKLIJKE PHILIPS NV0 citations41
US10603060B2Mar 31, 2020
Attachment assemblies for oral hygiene devices having improved fluid chamber, fluid channel, fluid exit hole, air inlet hole, and air channel features
KONINKLIJKE PHILIPS NV0 citations36
US10384051B2Aug 20, 2019
Device for inactivating bacteria on the surface of the stratum corneum layer of skin
KONINKLIJKE PHILIPS NV0 citations36
TRUMPF PHOTONIC COMPONENTS GMBH
7 patentsUS11054244B2Jul 6, 2021
Method of suppressing false positive signals during self mixing interference particle detection
TRUMPF PHOTONIC COMPONENTS GMBH7 citations83
US10866083B2Dec 15, 2020
Laser sensor for particle density detection
TRUMPF PHOTONIC COMPONENTS GMBH10 citations83
US11187643B2Nov 30, 2021
Laser sensor module for particle density detection
TRUMPF PHOTONIC COMPONENTS GMBH10 citations82
US11119021B2Sep 14, 2021
Laser sensor for ultra-fine particle size detection
TRUMPF PHOTONIC COMPONENTS GMBH6 citations72
US11428819B2Aug 30, 2022
Laser sensor for particle detection
TRUMPF PHOTONIC COMPONENTS GMBH1 citations61
US12436247B2Oct 7, 2025
Laser sensor module with soiling detection
TRUMPF PHOTONIC COMPONENTS GMBH0 citations51
US11441998B2Sep 13, 2022
Laser sensor module with indication of readiness for use
TRUMPF PHOTONIC COMPONENTS GMBH0 citations49
PHILIPS PHOTONICS GMBH
4 patentsUS10379028B2Aug 13, 2019
Laser sensor for multi parameter detection
PHILIPS PHOTONICS GMBH25 citations93
US11692925B2Jul 4, 2023
Optical particle sensor module
PHILIPS PHOTONICS GMBH3 citations70
US10732091B2Aug 4, 2020
Laser sensor for particle size detection
PHILIPS PHOTONICS GMBH1 citations61
US11092536B2Aug 17, 2021
Laser sensor module for particle detection with offset beam
PHILIPS PHOTONICS GMBH0 citations51