Inventor
ZHAO YIFAN
US18 patents
⚠️ This page may combine multiple inventors who share the name “ZHAO YIFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS LLC
4 patentsUS12500226B2Dec 16, 2025
Functional hybrid powder as additive for electrochemical cells
GM GLOBAL TECH OPERATIONS LLC0 citations62
US12438236B2Oct 7, 2025
Composite separator including fire suppression layer containing ceramic material and cyclophosphazene and electrochemical cell including the same
GM GLOBAL TECH OPERATIONS LLC0 citations62
US12431587B2Sep 30, 2025
Composite separator including fire suppression layer containing crosslinked cyclopolyphosphazene particles and electrochemical cell including the same
GM GLOBAL TECH OPERATIONS LLC0 citations62
US12334539B2Jun 17, 2025
Protective layers for lithium metal electrodes and methods of forming the same
GM GLOBAL TECH OPERATIONS LLC0 citations52
BALLARD POWER SYSTEMS
2 patentsUS7190145B2Mar 13, 2007
Method and apparatus for improving speed measurement quality in multi-pole machines
BALLARD POWER SYSTEMS20 citations92
US6700342B2Mar 2, 2004
Method and apparatus for high performance permanent magnet motor speed control with limited position information
BALLARD POWER SYSTEMS19 citations83
UNIV BEIHANG
2 patentsUS10740897B2Aug 11, 2020
Method and device for three-dimensional feature-embedded image object component-level semantic segmentation
UNIV BEIHANG4 citations71
US12293191B2May 6, 2025
Fine-grained image recognition method and apparatus using graph structure represented high-order relation discovery
UNIV BEIHANG0 citations47