With the analysis among 431 patents, we discovered top 90 key players by total patent application. Nikon Corp., Minolta Co., Ltd., Olympus Optical Ltd. are dominant in this area. They take 30.63% of the total patent filing.
Tokyo-to, Japan
Patent: 47
Osaka-fu, Japan
Patent: 28
Tokyo-to, Japan
Patent: 21
Tokyo-to, Japan
Patent: 19
Nordrhein-Westfalen, Germany
Patent: 11
Tokyo-to, Japan
Patent: 10
New York, United States
Patent: 10
Tokyo-to, Japan
Patent: 10
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With the analysis among 4 patents, we discovered top 3 universities and scientific research institutions by total patent application.
Beijing Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1