P

Inventor

GUAN CHAO

CN12 patents
⚠️ This page may combine multiple inventors who share the name “GUAN CHAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV PEKING FOUNDER GROUP CO

7 patents
US9230148B2Jan 5, 2016

Method and system for binarization of two dimensional code image

UNIV PEKING FOUNDER GROUP CO4 citations71
US9135489B2Sep 15, 2015

System for decoding two dimensional code and method thereof

UNIV PEKING FOUNDER GROUP CO5 citations71
US9177188B2Nov 3, 2015

Method and system for detecting detection patterns of QR code

UNIV PEKING FOUNDER GROUP CO2 citations60
US9070034B2Jun 30, 2015

Method and system for correcting QR code image

UNIV PEKING FOUNDER GROUP CO2 citations60
US9449210B2Sep 20, 2016

Method and system for detecting a correction pattern in a QR code

UNIV PEKING FOUNDER GROUP CO0 citations50
US9111165B2Aug 18, 2015

Method and system for filtering detection patterns in a QR code

UNIV PEKING FOUNDER GROUP CO1 citations50
US9087253B2Jul 21, 2015

Method and system for determining edge line in QR code binary image

UNIV PEKING FOUNDER GROUP CO1 citations50

UNIV KING ABDULLAH SCI & TECH

1 patent
US11014079B2May 25, 2021

Hydrogen generation from formic acid catalyzed by a metal complex under amine-free and aqueous conditions

UNIV KING ABDULLAH SCI & TECH0 citations56

LEEKNIVES CO LTD

1 patent
USD1072586SApr 29, 2025

Knife block

LEEKNIVES CO LTD0 citations51

FANG JIAN

1 patent
US8598658B2Dec 3, 2013

High voltage LDMOS device

FANG JIAN2 citations51

BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD

1 patent
US10949780B2Mar 16, 2021

Online transportation reservation systems prioritizing reservations based on demand, regional transportation capacity, and historical driver scores

BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD0 citations50

ZHONGSHAN BROAD OCEAN MOTOR CO

1 patent
US12206296B2Jan 21, 2025

Motor controller and outer rotor motor comprising the same

ZHONGSHAN BROAD OCEAN MOTOR CO0 citations47