Inventor
CHEN YUMEI
CN9 patents
⚠️ This page may combine multiple inventors who share the name “CHEN YUMEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NUCTECH CO LTD
3 patentsUS7679012B2Mar 16, 2010
High-voltage automatic changeover switch
NUCTECH CO LTD2 citations60
US10809207B2Oct 20, 2020
Ray calibration device and operating method thereof, and radiation imaging system and operating method thereof
NUCTECH CO LTD0 citations50
US10386509B2Aug 20, 2019
Ray energy calibration device, ray energy calibration method and ray imaging system
NUCTECH CO LTD0 citations39