Inventor
JOHNSON PHILIP MICHAEL
US8 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON PHILIP MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HELLA GMBH & CO KGAA
5 patentsUS10491132B2Nov 26, 2019
Dual active bridge control circuit for use with unbalanced grid voltages
HELLA GMBH & CO KGAA4 citations71
US12027969B2Jul 2, 2024
Active filter for single phase charging using a switch-mode converter
HELLA GMBH & CO KGAA0 citations50
US11855526B2Dec 26, 2023
Half-bridge with variable dead band control and zero-voltage switching
HELLA GMBH & CO KGAA0 citations50
US11502612B2Nov 15, 2022
Performance enhancement of silicon-based device
HELLA GMBH & CO KGAA0 citations50
US11277072B2Mar 15, 2022
Multi-phase-shift control of a power converter
HELLA GMBH & CO KGAA0 citations43