With the analysis among 981 patents, we discovered top 58 key players by total patent application. Kowa Co., Ltd., HOYA Corp., Alcon AG are dominant in this area. They take 46.79% of the total patent filing.
Aichi-ken, Japan
Patent: 196
Tokyo-to, Japan
Patent: 151
Kochi-ken, Japan
Patent: 107
California, United States
Patent: 53
Tokyo-to, Japan
Patent: 34
New York, United States
Patent: 28
California, United States
Patent: 26
California, United States
Patent: 24
California, United States
Patent: 18
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With the analysis among related 179 patents applied in the last 5 years. We discover 16 most active companies in this area. The fast-growing Alcon AG, HOYA Corp., Kowa Co., Ltd. take 52.51% of patent filing during this period.
Tokyo-to, Japan
Patent: 28
Aichi-ken, Japan
Patent: 20
Kochi-ken, Japan
Patent: 17
California, United States
Patent: 11
Thüringen, Germany
Patent: 11
California, United States
Patent: 7
Sankt Gallen, Switzerland
Patent: 4
California, United States
Patent: 3
With the analysis among related 179 patents in last 5 years, we discover 5 new entrants. The Johns Hopkins University, Akkolens International BV, NOK Corp. are the most active new entrants in this area.
Noord-Brabant, Netherlands
Patent: 1
Kentucky, United States
Patent: 1
With the analysis among 9 patents, we discovered top 4 universities and scientific research institutions by total patent application. University of Rochester, The Johns Hopkins University, Rochester Institute of Technology are dominant in this area. They take 77.78% of the total patent filing.
New York, United States
Patent: 3
New York, United States
Patent: 2
Colorado, United States
Patent: 1