With the analysis among 83 patents, we discovered top 16 key players by total patent application. Allergan, Inc., R-Tech Ueno, Ltd., Cascade Ophthalmics, Inc. are dominant in this area. They take 75.90% of the total patent filing.
California, United States
Patent: 44
Tokyo-to, Japan
Patent: 15
Massachusetts, United States
Patent: 4
Texas, United States
Patent: 3
California, United States
Patent: 3
No data, please try another search term
With the analysis among related 4 patents applied in the last 5 years. We discover 3 most active companies in this area.
California, United States
Patent: 1
With the analysis among related 4 patents in last 5 years, we discover 2 new entrants.
No data, please try another search term