With the analysis among 308 patents, we discovered top 130 key players by total patent application. Air Products & Chemicals, Inc., Drägerwerk AG & Co. KGaA, British American Tobacco (Investments) Ltd. are dominant in this area. They take 8.12% of the total patent filing.
Pennsylvania, United States
Patent: 11
Schleswig-Holstein, Germany
Patent: 7
Illinois, United States
Patent: 4
British Columbia, Canada
Patent: 4
Massachusetts, United States
Patent: 3
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With the analysis among related 5 patents applied in the last 5 years. We discover 2 most active companies in this area.
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
With the analysis among related 5 patents in last 5 years, we discover 1 new entrants.
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
With the analysis among 15 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Beijing Shi, China
Patent: 1
Hebei Sheng, China
Patent: 1