Industries
Search
Companies
Technology
Compare
Guide

Companies
Company

← All companies

Univ Northeastern Qinhuangdao

Loading company records…

yougotideas

Who invents what, and where — patents explained in plain words, with the source of every fact.

Explore

All industries
Patent search
Company directory
Technology concepts
Compare two patents
How to read a patent
Patents by country

Sources

EPO patent data service (OPS)
Espacenet patent search
CPC classification scheme

How to read

Source — stated by a patent office
Derived — calculated by YouGotIdeas
AI — a plain-English reading, never official