With the analysis among 91 patents, we discovered top 27 key players by total patent application. ZOLL Medical Corp., Koninklijke Philips NV, Agfa-Gevaert AG are dominant in this area. They take 29.67% of the total patent filing.
Massachusetts, United States
Patent: 15
Noord-Holland, Netherlands
Patent: 7
Nordrhein-Westfalen, Germany
Patent: 5
California, United States
Patent: 4
Washington, United States
Patent: 4
Georgia, United States
Patent: 4
California, United States
Patent: 2
Texas, United States
Patent: 2
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With the analysis among related 23 patents applied in the last 5 years. We discover 6 most active companies in this area. The fast-growing ZOLL Medical Corp., Philips, AT&T Intellectual Property I LP take 43.48% of patent filing during this period.
Massachusetts, United States
Patent: 5
Georgia, United States
Patent: 2
Missouri, United States
Patent: 1
Noord-Holland, Netherlands
Patent: 1
With the analysis among related 23 patents in last 5 years, we discover 2 new entrants.
Missouri, United States
Patent: 1
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