Inventor

CHANG YAN-CHENG

TW3 patents

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

QUANTA COMP INC

2 patents

US11832146B2Nov 28, 2023

Electronic device and method for improving angle of arrival of a signal

QUANTA COMP INC0 citations37

US11864071B2Jan 2, 2024

Electronic device with a gravity sensor assisted positioning

QUANTA COMP INC0 citations36

QISDA CORP

1 patent

US7627308B2Dec 1, 2009

Mobile communication system, mobile communication device and method for incoming-call filtering

QISDA CORP3 citations57