With the analysis among 40 patents, we discovered top 22 key players by total patent application. AT&T, Inc., Gemplus, KT Corp. are dominant in this area. They take 27.50% of the total patent filing.
Texas, United States
Patent: 6
Virginia, United States
Patent: 2
Nagano-ken, Japan
Patent: 1
No data, please try another search term
With the analysis among related 4 patents applied in the last 5 years. We discover 2 most active companies in this area.
Guangdong Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among related 4 patents in last 5 years, we discover 2 new entrants.
Guangdong Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
No data, please try another search term