As the number of patent applications is a
good measure of innovation activities, to evaluate the WiFi technology
innovation activities, more than 4000 issued patents in the USPTO obtained from
the carefully constructed keyword search are reviewed. Patent disclosures in claims and detail
description for each patent are analyzed as to whether the contents are within
the scope of key technologies (e.g. modulation & coding, PHY & MAC
frames & functions, Access Control etc.) for the IEEE 802.11 a/b/g/e/i/n
standard specifications.
More than 8oo issued patents are identified as
the key patents for the IEEE 802.11 a/b/g/e/i/n standard specifications as of
1Q 2015. Among 85 IPR holders, Marvell is the leader followed by Intel, Samsung,
Qualcomm, Sony, Cisco, Broadcom, Philips, Texas Instruments and Toshiba.
For more information, please contact Alex Lee
at alexglee@techipm.com .
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