P
PatentIndex
Search
Landscape
Sign in
Assignee
GUO DONG
CN
2 patents
Top patents
by PatentIndex Score
US8428226B2
Apr 23, 2013
Method of call trace on media gateway of next generation network
GUO DONG
7 citations
82
US8550352B2
Oct 8, 2013
QR barcode decoding chip and decoding method thereof
GUO DONG
7 citations
76