How many patents does
Kddi Corporation have?

patents
4,156
families
2,624
granted
929
applications
3,227
JP
3,174
US
457
WO
195
EP
153
CN
118
KR
19
GB
13
RoW
27

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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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Kddi Corporation
Top ten assignees appearing on patents

Kddi Corporation
The top ten patent families are

Title of patent family
(most common patent title)
Family
members
Filing
year
wireless terminal apparatus and wireless base station apparatus 20 2006
base station system and communication apparatus 14 2013
communication network system, transmission node, reception node, message checking method… 🛈 11 2014
communication device 10 2011
system, program and method for radio terminal to find access point 10 2013
method, apparatus and program for detecting spoofed network traffic 9 2011
transmission/reception-separated polarization-shared antenna 9 2011
video encoding device, video decoding device, video encoding method, video decoding meth… 🛈 9 2012
dynamic-image coding device, dynamic-image decoding device, dynamic-image coding method,… 🛈 9 2013
radio terminal, base station apparatus, radio communication system, and computer program 9 2012