Inventor
GRISWOLD RYAN
US14 patents
⚠️ This page may combine multiple inventors who share the name “GRISWOLD RYAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
8 patentsUS12528555B2Jan 20, 2026
Devices and methods for piezoelectric sensing and energy harvesting on wheels
TDK CORP1 citations62
US12445066B2Oct 14, 2025
Piezoelectric energy harvesters and sensors based on strain in mechanical structures
TDK CORP0 citations61
US12552388B2Feb 17, 2026
Devices and methods of detecting driving conditions from a rotating wheel
TDK CORP0 citations59
US12456935B2Oct 28, 2025
Smart wheel energy harvester
TDK CORP0 citations59
US12057791B2Aug 6, 2024
Smart wheel energy harvester
TDK CORP0 citations59
US11791748B2Oct 17, 2023
Smart wheel energy harvester
TDK CORP0 citations59
USD958063SJul 19, 2022
Energy harvesting device
TDK CORP0 citations59
US12459311B2Nov 4, 2025
Devices and methods for overloading protection of piezoelectric material mounted on wheels
TDK CORP0 citations50