With the analysis among 307 patents, we discovered top 58 key players by total patent application. Ricoh Co., Ltd., LaserCard Corp., Oracle America, Inc. are dominant in this area. They take 18.24% of the total patent filing.
Tokyo-to, Japan
Patent: 24
California, United States
Patent: 16
California, United States
Patent: 16
Tokyo-to, Japan
Patent: 14
Tokyo-to, Japan
Patent: 14
Fukushima-ken, Japan
Patent: 12
Osaka-fu, Japan
Patent: 11
Connecticut, United States
Patent: 10
Tokyo-to, Japan
Patent: 10
No data, please try another search term
No data, please try another search term
No data, please try another search term
No data, please try another search term