With the analysis among 380 patents, we discovered top 181 key players by total patent application. Nidek Co., Ltd., EssilorLuxottica SA, Seiko Epson Corp. are dominant in this area. They take 14.21% of the total patent filing.
Kochi-ken, Japan
Patent: 19
Nagano-ken, Japan
Patent: 17
Tokyo-to, Japan
Patent: 11
Aichi-ken, Japan
Patent: 11
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With the analysis among related 166 patents applied in the last 5 years. We discover 127 most active companies in this area. The fast-growing China Army Survey & Design Institute Co., Ltd., Jiangsu New Vision Automotive Electronics Co. Ltd., Xiamen Leading Optics Co., Ltd. take 7.83% of patent filing during this period.
Beijing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Fujian Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Hubei Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
With the analysis among related 166 patents in last 5 years, we discover 120 new entrants. China Army Survey & Design Institute Co., Ltd., Jiangsu New Vision Automotive Electronics Co. Ltd., Xiamen Leading Optics Co., Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Fujian Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Hubei Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
With the analysis among 56 patents, we discovered top 40 universities and scientific research institutions by total patent application. Huazhong University of Science & Technology, Nanjing Forestry University, Tongji University are dominant in this area. They take 12.50% of the total patent filing.
Hubei Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1