How many patents does
Chongqing Changan Automobile Company have?

patents
4,671
families
3,953
granted
704
applications
3,967
CN
4,619
WO
14
GB
12
US
6
EP
5
RoW
15

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

Chongqing Changan Automobile Company
Top ten assignees appearing on patents

Chongqing Changan Automobile Company
The top ten patent families are

Title of patent family
(most common patent title)
Family
members
Filing
year
vehicle central lock antitheft method and system 10 2008
nickel-hydrogen battery pack heat removal system for hybrid vehicle 8 2008
power battery simulation system 4 2011
lithium battery management system 4 2010
hybrid electric vehicle 4 2007
transmitting device and method for driving optical communication of led vehicle light 4 2014
a hydraulic pump 4 2015
method for measuring temperature of permanent-magnet synchronous motor of hybrid electri… 🛈 4 2010
electronic gear system and control method 3 2012
adaptive reception device and method for led vehicle light communication 3 2014