Inventor
HWANG DOOIL
US13 patents
⚠️ This page may combine multiple inventors who share the name “HWANG DOOIL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS LLC
12 patentsUS10105853B1Oct 23, 2018
Flexible robot end-effector for assembling door closure
GM GLOBAL TECH OPERATIONS LLC30 citations93
US10011023B1Jul 3, 2018
Robotic system with reconfigurable end-effector assembly
GM GLOBAL TECH OPERATIONS LLC19 citations93
US10011022B1Jul 3, 2018
Robotic system with reconfigurable end-effector assembly
GM GLOBAL TECH OPERATIONS LLC33 citations93
US9656394B2May 23, 2017
Robotic system with reconfigurable end-effector assembly
GM GLOBAL TECH OPERATIONS LLC15 citations83
US10723001B2Jul 28, 2020
Ball locking weld nut clamp
GM GLOBAL TECH OPERATIONS LLC2 citations71
US11491662B2Nov 8, 2022
Flexible robot door hinge installation system
GM GLOBAL TECH OPERATIONS LLC2 citations65
US11338645B2May 24, 2022
Method and apparatus for active vehicle cabin occupant detection system
GM GLOBAL TECH OPERATIONS LLC1 citations61
US11299013B2Apr 12, 2022
Method and apparatus for active vehicle cabin occupant protection system
GM GLOBAL TECH OPERATIONS LLC1 citations58
US12358167B1Jul 15, 2025
Compliance mechanism with gravity self-centering
GM GLOBAL TECH OPERATIONS LLC0 citations51
US11167381B2Nov 9, 2021
Clamp system and method for control of welding a first substrate to a second substrate
GM GLOBAL TECH OPERATIONS LLC0 citations51
US11260542B2Mar 1, 2022
Universal vacuum cup and method of lifting an object
GM GLOBAL TECH OPERATIONS LLC0 citations50
US12263605B2Apr 1, 2025
Collaborative dual-robot hinge installation system including a single multi-purpose vision system
GM GLOBAL TECH OPERATIONS LLC0 citations44