Inventor

LI CHUANZHI

CN3 patents

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

SHENNAN CIRCUITS CO LTD

1 patent

US10652992B2May 12, 2020

Printed circuit board, method for manufacturing the same and electronic device

SHENNAN CIRCUITS CO LTD1 citations57

LI CHUANZHI

1 patent

US9113565B2Aug 18, 2015

Method for processing printed circuit board, printed circuit board and electronic apparatus

LI CHUANZHI1 citations41

ALIBABA GROUP HOLDING LTD

1 patent

US10719599B2Jul 21, 2020

Verification code generation to improve recognition accuracy by a person and recognition difficulty by a computer program

ALIBABA GROUP HOLDING LTD0 citations39