P

Inventor

ZHAN CHANG

CN16 patents
⚠️ This page may combine multiple inventors who share the name “ZHAN CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHENZHEN GOODIX TECH CO LTD

14 patents
US10049253B2Aug 14, 2018

Sensor pixel circuitry for fingerprint identification

SHENZHEN GOODIX TECH CO LTD8 citations80
US10349848B2Jul 16, 2019

Conversion circuit and detection circuit

SHENZHEN GOODIX TECH CO LTD5 citations71
US10366270B2Jul 30, 2019

Capacitive fingerprint sensor

SHENZHEN GOODIX TECH CO LTD2 citations67
US10360429B2Jul 23, 2019

Capacitive fingerprint sensor

SHENZHEN GOODIX TECH CO LTD2 citations67
US11776301B2Oct 3, 2023

Fingerprint detection apparatus and electronic device

SHENZHEN GOODIX TECH CO LTD0 citations52
US11374048B2Jun 28, 2022

Image sensor, manufacturing method thereof and electronic device

SHENZHEN GOODIX TECH CO LTD0 citations50
US10496869B2Dec 3, 2019

Fingerprint detection circuit and fingerprint recognition system

SHENZHEN GOODIX TECH CO LTD0 citations50
US9904838B2Feb 27, 2018

Fingerprint detection circuit, and capacitive fingerprint sensor and mobile terminal thereof

SHENZHEN GOODIX TECH CO LTD0 citations50
US10248830B2Apr 2, 2019

Sensor pixel circuitry for fingerprint identification

SHENZHEN GOODIX TECH CO LTD0 citations48
US10990791B2Apr 27, 2021

Fingerprint detection circuit, fingerprint identification apparatus and terminal device

SHENZHEN GOODIX TECH CO LTD0 citations40
US10395746B2Aug 27, 2019

Correlated double sampling integrating circuit

SHENZHEN GOODIX TECH CO LTD0 citations40
US10346666B2Jul 9, 2019

Fingerprint detecting circuit and fingerprint identification system

SHENZHEN GOODIX TECH CO LTD0 citations39
US10162993B2Dec 25, 2018

Fingerprint detection circuit, sensor and touch screen

SHENZHEN GOODIX TECH CO LTD0 citations39
US9742387B2Aug 22, 2017

Voltage comparator

SHENZHEN GOODIX TECH CO LTD0 citations39

SHENZHEN HUIDING TECHNOLOGY CO

1 patent

SHENZHEN MUXIN TECH CO LTD

1 patent