With the analysis among 84 patents, we discovered top 30 key players by total patent application. QUALCOMM, Inc., Matsushita Electronics Corp., Telefonaktiebolaget LM Ericsson are dominant in this area. They take 40.48% of the total patent filing.
California, United States
Patent: 20
Telefonaktiebolaget LM Ericsson
New Jersey, United States
Patent: 5
Texas, United States
Patent: 4
California, United States
Patent: 4
Shizuoka-ken, Japan
Patent: 3
Shizuoka-ken, Japan
Patent: 3
California, United States
Patent: 3
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