Inventor
XU CHENGCHENG
CN13 patents
⚠️ This page may combine multiple inventors who share the name “XU CHENGCHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OMNIVISION TECH INC
8 patentsUS11463648B1Oct 4, 2022
Image sensor with three readout approach for phase detection autofocus and image sensing photodiodes through multiple column bitlines
OMNIVISION TECH INC3 citations71
US11218659B2Jan 4, 2022
Image sensor with voltage supply grid clamping
OMNIVISION TECH INC4 citations71
US12356098B2Jul 8, 2025
Pixel designs with reduced LOFIC reset and settling times
OMNIVISION TECH INC0 citations61
US12199632B2Jan 14, 2025
Dynamic current control for column ADC
OMNIVISION TECH INC0 citations61
US11706543B2Jul 18, 2023
Image sensor with voltage supply grid clamping
OMNIVISION TECH INC0 citations61
US11381771B1Jul 5, 2022
Comparator first stage clamp
OMNIVISION TECH INC1 citations61
US12294796B2May 6, 2025
Phase detection auto focus with horizontal/vertical quad phase detection
OMNIVISION TECH INC0 citations51
US11683607B2Jun 20, 2023
Image sensor with three readout approach for phase detection autofocus and image sensing pixels
OMNIVISION TECH INC0 citations50