Inventor

LIU BAOQI

CN4 patents

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

SUNGROW POWER SUPPLY CO LTD

2 patents

US9906022B2Feb 27, 2018

Cascaded multilevel converter self-test system and self-test method for the same

SUNGROW POWER SUPPLY CO LTD3 citations64

US10581239B2Mar 3, 2020

Device and method for protecting direct current source

SUNGROW POWER SUPPLY CO LTD0 citations37

UNIV DALIAN TECH

1 patent

US11091661B2Aug 17, 2021

Method for preparing large-area structural chromogenic pattern by ink-jet printing and anti-counterfeiting method based on structural color change

UNIV DALIAN TECH2 citations68

BEIJING CONST INSTRUMENTS TECH INC

1 patent

US11262229B2Mar 1, 2022

Instrument calibration device and calibration method using same

BEIJING CONST INSTRUMENTS TECH INC0 citations48