Inventor · disambiguated record
Len Cech
Also filed as: CECH LEN · CECH LEN STEVEN
21 granted patents·9 pending applications·90 citations·filing 2008–2025
93Inventor score
Files withJOYSON SAFETY SYSTEMS ACQUISITION LLC13TK HOLDINGS INC12AUTOMOTIVE COALITION FOR TRAFFIC SAFETY INC4VER STEEG BENJAMIN1
Top patents by PatentIndex Score
30 records- 0196US10046786B2Occupant monitoring systems and methodsTK HOLDINGS INC·Filed 2016·Granted Aug 14, 2018·12 cites·20 claims
- 0293US11827175B2Adapting shoulder anchor for seatbeltJOYSON SAFETY SYSTEMS ACQUISITION LLC·Filed 2021·Granted Nov 28, 2023·5 cites·16 claims
- 0393US9533687B2Occupant monitoring systems and methodsTK HOLDINGS INC·Filed 2014·Granted Jan 3, 2017·22 cites·30 claims
- 0492US11210539B2Detection and monitoring of active optical retroreflectorsJOYSON SAFETY SYSTEMS ACQUISITION LLC·Filed 2020·Granted Dec 28, 2021·4 cites·17 claims
- 0591US10099554B2System for non-invasive measurement of an analyte in a vehicle driverAUTOMOTIVE COALITION FOR TRAFFIC SAFETY INC·Filed 2016·Granted Oct 16, 2018·29 cites·20 claims
- 0687US10787189B2Occupant monitoring systems and methodsJOYSON SAFETY SYSTEMS ACQUISITION LLC·Filed 2018·Granted Sep 29, 2020·3 cites·16 claims
- 0779US9580012B2Vehicle object detection and notification systemTK HOLDINGS INC·Filed 2015·Granted Feb 28, 2017·3 cites·15 claims
- 0874US9527477B1Seat belt buckle tongue electromagnetic coupling with optional wireless sensor and/or actuator systemTK HOLDINGS INC·Filed 2015·Granted Dec 27, 2016·5 cites·20 claims
- 0973US12344189B2Adapting shoulder anchor for seatbeltJOYSON SAFETY SYSTEMS ACQUISITION LLC·Filed 2023·Granted Jul 1, 2025·0 cites·20 claims
- 1073US10611330B2Smart initiator assemblyTK HOLDINGS INC·Filed 2017·Granted Apr 7, 2020·3 cites·19 claims
- 1172US11667318B2Occupant monitoring systems and methodsJOYSON SAFETY SYSTEMS ACQUISITION LLC·Filed 2020·Granted Jun 6, 2023·0 cites·20 claims
- 1269US10614328B2Occupant monitoring systems and methodsTK HOLDINGS INC·Filed 2014·Granted Apr 7, 2020·1 cites·22 claims
- 1369US2025189391A1Force Sensing Seat Belt Sensor AssemblyJOYSON SAFETY SYSTEMS ACQUISITION LLC·Filed 2025·Application pending·0 cites
- 1466US11713048B2Integration of occupant monitoring systems with vehicle control systemsJOYSON SAFETY SYSTEMS ACQUISITION LLC·Filed 2018·Granted Aug 1, 2023·2 cites·19 claims
- 1566US11279303B2System and method for detecting movement of an occupant seated in a vehicleJOYSON SAFETY SYSTEMS ACQUISITION LLC·Filed 2020·Granted Mar 22, 2022·0 cites·14 claims
- 1665US12228467B2Force sensing seat belt sensor assemblyJOYSON SAFETY SYSTEMS ACQUISITION LLC·Filed 2021·Granted Feb 18, 2025·0 cites·20 claims
- 1763US11752971B2Adaptive anchoring deviceJOYSON SAFETY SYSTEMS ACQUISITION LLC·Filed 2021·Granted Sep 12, 2023·0 cites·27 claims
- 1863US10990838B2Occupant monitoring systems and methodsJOYSON SAFETY SYSTEMS ACQUISITION LLC·Filed 2020·Granted Apr 27, 2021·0 cites·21 claims
- 1961US9281658B2System and method for controlling collocated multiple wavelength tuned lasersAUTOMOTIVE COALITION FOR TRAFFIC SAFETY INC·Filed 2014·Granted Mar 8, 2016·1 cites·14 claims
- 2057US11001142B2System for non-invasive measurement of an analyte in a vehicle driverAUTOMOTIVE COALITION FOR TRAFFIC SAFETY INC·Filed 2018·Granted May 11, 2021·0 cites·24 claims
- 2157US2025110228A1Vehicle monitoring and energy harvesting systems and methodsJOYSON SAFETY SYSTEMS ACQUISITION LLC·Filed 2024·Application pending·0 cites
- 2256US2021144533A1System and method for automated network pairing using electric field couplingJOYSON SAFETY SYSTEMS ACQUISITION LLC·Filed 2020·Application pending·0 cites
- 2354US10525910B2System and method for detecting movement of an occupant seated in a vehicleTK HOLDINGS INC·Filed 2017·Granted Jan 7, 2020·0 cites·12 claims
- 2453US10785624B2System and method for automated network pairing using electric field couplingTK HOLDINGS INC·Filed 2013·Granted Sep 22, 2020·0 cites·18 claims
- 2550US2017166125A1Vehicle object detection and notification systemTK HOLDINGS INC·Filed 2017·Application pending·0 cites
- 2648US2017033531A1System and method for controlling collocated multiple wavelength tuned lasersAUTOMOTIVE COALITION FOR TRAFFIC SAFETY INC·Filed 2016·Application pending·0 cites
- 2745US2013176100A1Automated electronic device network pairing based on electric field couplingTK HOLDINGS INC·Filed 2013·Application pending·0 cites
- 2845US2009001978A1Sensor systemTK HOLDINGS INC·Filed 2008·Application pending·0 cites
- 2941US2013110311A1System for noninvasive measurement of an analyte in a vehicle driverVER STEEG BENJAMIN·Filed 2012·Application pending·0 cites
- 3037US2017238174A1Vehicle security system employing seat based occupancy detection and body area networkTK HOLDINGS INC·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Len Cech files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →