Inventor

CHANG ALVIN

US2 patents

⚠️ This page may combine multiple inventors who share the name “CHANG ALVIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHANG ALVIN

1 patent

US7983961B1Jul 19, 2011

Methods and apparatus for marketing profiling while preserving user privacy

CHANG ALVIN51 citations86

LIN YU-HSUAN

1 patent

US8638445B2Jan 28, 2014

Imaging apparatus and method thereof

LIN YU-HSUAN0 citations36