Inventor
ESFAHAN HAMID M
US7 patents
⚠️ This page may combine multiple inventors who share the name “ESFAHAN HAMID M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS INC
3 patentsUS7769536B2Aug 3, 2010
Diagnostic systems and methods for engine knock sensors
GM GLOBAL TECH OPERATIONS INC11 citations82
US7526943B2May 5, 2009
Knock system with detection zones
GM GLOBAL TECH OPERATIONS INC15 citations81
US7826963B1Nov 2, 2010
Diagnostic system for spark ignition direct injection system control circuits
GM GLOBAL TECH OPERATIONS INC0 citations41