With the analysis among 460 patents, we discovered top 151 key players by total patent application. NEC Corp., Fujitsu Ltd., Matsushita Electronics Corp. are dominant in this area. They take 28.04% of the total patent filing.
Tokyo-to, Japan
Patent: 74
Tokyo-to, Japan
Patent: 34
Osaka-fu, Japan
Patent: 21
Tokyo-to, Japan
Patent: 18
California, United States
Patent: 14
California, United States
Patent: 12
California, United States
Patent: 8
Fukuoka-ken, Japan
Patent: 7
With the analysis among 2 patents, we discovered top 2 start-ups by total patent application.
Jiangsu Sheng, China
Patent: 1
With the analysis among related 44 patents applied in the last 5 years. We discover 31 most active companies in this area. The fast-growing Chongqing University, Beijing Institute of Control Engineering, Beijing Institute of Technology take 29.55% of patent filing during this period.
Chongqing Shi, China
Patent: 5
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
Shanghai Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
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Patent: 1
With the analysis among related 44 patents in last 5 years, we discover 26 new entrants. Chongqing University, Nanjing University of Science & Technology, Huizhou Difenni Acoustic Technology Co., Ltd. are the most active new entrants in this area.
Chongqing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
Shanghai Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
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Patent: 1
Beijing Shi, China
Patent: 1
Shanghai Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among 96 patents, we discovered top 37 universities and scientific research institutions by total patent application. Beijing Institute of Technology, Tsinghua University, Chongqing University are dominant in this area. They take 19.79% of the total patent filing.
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 5
Chongqing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Heilongjiang Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2