With the analysis among 197 patents, we discovered top 80 key players by total patent application. NEC Corp., Mitsubishi Electric Corp., Minolta Co., Ltd. are dominant in this area. They take 21.32% of the total patent filing.
Tokyo-to, Japan
Patent: 20
Tokyo-to, Japan
Patent: 12
Osaka-fu, Japan
Patent: 10
Tokyo-to, Japan
Patent: 10
California, United States
Patent: 4
Beijing Shi, China
Patent: 4
Shanghai Shi, China
Patent: 4
Karnataka, India
Patent: 3
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With the analysis among related 224 patents applied in the last 5 years. We discover 92 most active companies in this area. The fast-growing Beijing Institute of Control Engineering, Beihang University, Zijinshan Observatory, Chinese Academy of Sciences take 14.73% of patent filing during this period.
Beijing Shi, China
Patent: 11
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Patent: 10
Shanghai Shi, China
Patent: 9
Shanghai Shi, China
Patent: 8
Hunan Sheng, China
Patent: 7
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Patent: 7
Hubei Sheng, China
Patent: 6
With the analysis among related 224 patents in last 5 years, we discover 64 new entrants. Foshan University, Xidian University, Xian Industrial University are the most active new entrants in this area.
Guangdong Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 3
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Patent: 3
Jiangsu Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
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Patent: 3
Sichuan Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
With the analysis among 307 patents, we discovered top 40 universities and scientific research institutions by total patent application. Beihang University, Changchun Institute of Optics Fine Mechanics & Physics, Harbin Institute of Technology are dominant in this area. They take 24.10% of the total patent filing.
Beijing Shi, China
Patent: 23
Heilongjiang Sheng, China
Patent: 19
Hunan Sheng, China
Patent: 13
Hubei Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 4