With the analysis among 99 patents, we discovered top 42 key players by total patent application. Olin Corp., Bridgestone Corp., Bell Helicopter Textron, Inc. are dominant in this area. They take 22.22% of the total patent filing.
Missouri, United States
Patent: 9
Texas, United States
Patent: 6
Michigan, United States
Patent: 6
Ohio, United States
Patent: 4
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With the analysis among related 4 patents applied in the last 5 years. We discover 3 most active companies in this area.
Anhui Sheng, China
Patent: 1
Yamaguchi-ken, Japan
Patent: 1
With the analysis among related 4 patents in last 5 years, we discover 3 new entrants.
Anhui Sheng, China
Patent: 1
Yamaguchi-ken, Japan
Patent: 1
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