With the analysis among 244 patents, we discovered top 51 key players by total patent application. Seiko Epson Corp., Murata Manufacturing Co. Ltd., NEC Corp. are dominant in this area. They take 54.10% of the total patent filing.
Nagano-ken, Japan
Patent: 96
Murata Manufacturing Co. Ltd.
Kyoto-fu, Japan
Patent: 19
Tokyo-to, Japan
Patent: 17
Mitsubishi Electric Corp.
Tokyo-to, Japan
Patent: 12
Telefonaktiebolaget LM Ericsson
New Mexico, United States
Patent: 8
Matsushita Electronics Corp.
Nippon Telegraph & Telephone Corp.
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With the analysis among related 5 patents applied in the last 5 years. We discover 3 most active companies in this area.
China Tobacco Guizhou Industry Co., Ltd.
Guizhou Sheng, China
Patent: 2
Shanghai Institute of Aerospace Measurement and Control Communication
Shanghai Shi, China
Patent: 1
Chinese Academy of Sciences Institute of Acoustics
With the analysis among related 5 patents in last 5 years, we discover 2 new entrants.
China Tobacco Guizhou Industry Co., Ltd.
Guizhou Sheng, China
Patent: 2
Shanghai Institute of Aerospace Measurement and Control Communication
Shanghai Shi, China
Patent: 1
With the analysis among 14 patents, we discovered top 5 universities and scientific research institutions by total patent application. Chang'an University, University of Maine, Chinese Academy of Sciences Institute of Acoustics are dominant in this area. They take 50.00% of the total patent filing.
Shaanxi Sheng, China
Patent: 3
Maine, United States
Patent: 2
Chinese Academy of Sciences Institute of Acoustics
National University of Defense Technology
Hunan Sheng, China
Patent: 1