How many patents does
Chengdu Dfine Technology Company have?

patents
240
families
220
granted
20
applications
220
CN
240

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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

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Chengdu Dfine Technology Company
Top ten assignees appearing on patents

Chengdu Dfine Technology Company
The top ten patent families are

Title of patent family
(most common patent title)
Family
members
Filing
year
broadband receiver with spot-frequency local oscillation circuit 2 2010
integrated test system for 14 channel optical fiber data transmission tr equipment 2 2013
high-power mobile integration testing system 2 2014
user-defined ofdm (orthogonal frequency division multiplexing) transceiver 2 2014
infrared transmission protocol analysis method applicable to various carrier frequencies 2 2012
antenna calibration method 2 2015
portable receiver local oscillation frequency conversion step control module 2 2014
wideband bandstop high-selectivity filter 2 2014
chip software burning method 2 2014
wideband high-inhibition band-pass filter covering ka band 2 2015