Inventor
YU QIFENG
CN10 patents
⚠️ This page may combine multiple inventors who share the name “YU QIFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YU QIFENG
3 patentsUS8405716B2Mar 26, 2013
Folding optical path transfer videometrics method for measuring the three-dimensional position and attitude of non-intervisible objects
YU QIFENG22 citations86
US9057609B2Jun 16, 2015
Ground-based camera surveying and guiding method for aircraft landing and unmanned aerial vehicle recovery
YU QIFENG18 citations80
US9095431B2Aug 4, 2015
Invasive cardiac valve
YU QIFENG14 citations79
SHANGHAI NEWMED MEDICAL CO LTD
3 patentsUS10842621B2Nov 24, 2020
Artificial cardiac valve
SHANGHAI NEWMED MEDICAL CO LTD2 citations62
US11890195B1Feb 6, 2024
Leaflet capture device and system, and assembling method
SHANGHAI NEWMED MEDICAL CO LTD0 citations48
US10966831B2Apr 6, 2021
Delivery device for prosthetic mitral valve annuloplasty ring and prosthetic mitral valve annuloplasty ring delivery system
SHANGHAI NEWMED MEDICAL CO LTD0 citations44