With the analysis among 173 patents, we discovered top 62 key players by total patent application. Motorola, Inc., Dolby Laboratories Licensing Corp., Cirrus Logic, Inc. are dominant in this area. They take 35.84% of the total patent filing.
Illinois, United States
Patent: 43
Dolby Laboratories Licensing Corp.
California, United States
Patent: 13
Texas, United States
Patent: 6
Glenayre Electronics, Inc.
Georgia, United States
Patent: 6
Illinois, United States
Patent: 5
Minnesota, United States
Patent: 5
Freescale Semiconductor, Inc.
Texas, United States
Patent: 4
AT&T Wireless Services, Inc.
Washington, United States
Patent: 4
Western Electric Co., Inc.
Georgia, United States
Patent: 4
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With the analysis among related 2 patents applied in the last 5 years. We discover 2 most active companies in this area.
Chongqing Qinchuan Shizhong Auto Parts Co., Ltd.
Chongqing Shi, China
Patent: 1
The Nielsen Company (US) LLC
New York, United States
Patent: 1
With the analysis among related 2 patents in last 5 years, we discover 1 new entrants.
Chongqing Qinchuan Shizhong Auto Parts Co., Ltd.
Chongqing Shi, China
Patent: 1
With the analysis among 3 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Guilin University of Electronic Technology
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
Jiangsu Sheng, China
Patent: 1