With the analysis among 337 patents, we discovered top 145 key players by total patent application. Yamaha Corp., Litton Industries, Inc., Motorola, Inc. are dominant in this area. They take 10.09% of the total patent filing.
Shizuoka-ken, Japan
Patent: 13
California, United States
Patent: 11
Illinois, United States
Patent: 10
Telefonaktiebolaget LM Ericsson
Noord-Holland, Netherlands
Patent: 6
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With the analysis among related 53 patents applied in the last 5 years. We discover 33 most active companies in this area. The fast-growing Beijing Zhixin Simulation Technology Co Ltd., Changzhou Institute of Technology, Beijing Institute of Technology take 22.64% of patent filing during this period.
Beijing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Heilongjiang Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Massachusetts, United States
Patent: 2
With the analysis among related 53 patents in last 5 years, we discover 28 new entrants. Beijing Zhixin Simulation Technology Co Ltd., Changzhou Institute of Technology, Beijing Institute of Technology are the most active new entrants in this area.
Beijing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Heilongjiang Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Massachusetts, United States
Patent: 2
Guangdong Sheng, China
Patent: 1
Shanxi Sheng, China
Patent: 1
With the analysis among 104 patents, we discovered top 36 universities and scientific research institutions by total patent application. Shanghai Jiao Tong University, Changzhou Institute of Technology, Chinese Academy of Sciences Institute of Acoustics are dominant in this area. They take 14.42% of the total patent filing.
Shanghai Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Central Region, Singapore
Patent: 3
Beijing Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Chongqing Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 2