With the analysis among 50 patents, we discovered top 24 key players by total patent application. Nikon-Essilor Co., Ltd., Gentex Corp., Johnson & Johnson Vision Care, Inc. are dominant in this area. They take 20.00% of the total patent filing.
Illinois, United States
Patent: 3
Aichi-ken, Japan
Patent: 3
Beijing Shi, China
Patent: 3
Fukui-ken, Japan
Patent: 2
Shandong Sheng, China
Patent: 2
Basel-Stadt, Switzerland
Patent: 1
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With the analysis among 4 patents, we discovered top 3 universities and scientific research institutions by total patent application.
Anhui Sheng, China
Patent: 1
Tianjin Shi, China
Patent: 1