How many patents does
Changchun University have?

patents
298
families
266
granted
30
applications
268
CN
298

Buy the report

The report contains ten-year analysis with the following sections

  • patent filing analysis
  • worldwide filing analysis
  • patent family analysis
  • application analysis
  • granted analysis
  • classification analysis
  • citation analysis

contact us for pricing

  • VAT will apply to UK companies
  • EU companies must supply their VAT number

Check out our sample pages

advert_20200321_samples.png

Find companies to compare

Many companies now available

companies
12,000+
patents
42 million
patent families
23 million

Search to find companies of interest

read summary of their published patent

the following tables are just extracts from the report

the company report contains more information

Changchun University
Top ten assignees appearing on patents

Changchun University
The top ten patent families are

Title of patent family
(most common patent title)
Family
members
Filing
year
intelligent navigation glasses for blind 2 2009
tensile force measuring device for belt 2 2015
production technology for continuously extracting starch, oil and sugar from cyperus esc… 🛈 2 2010
respiratory training method and system facing hearing-impaired children 2 2012
production method for guaranteeing superfine mung bean flour to be pure natural and green 2 2012
preparation method of n ion-doped cerium dioxide film 2 2017
double-circuit drive rotary lifting permanent magnet 2 2016
electro-lifting belt conveying carrier 2 2016
saloon car locking catch overall performance detection platform 2 2012
tissue culture method for polyploid hemerocallis middendorfii and culture medium 2 2013