With the analysis among 174 patents, we discovered top 80 key players by total patent application. RCA Corp., Ampex Corp., Western Electric Co., Inc. are dominant in this area. They take 14.94% of the total patent filing.
California, United States
Patent: 10
California, United States
Patent: 9
Georgia, United States
Patent: 7
Hubei Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 6
Hiroshima-ken, Japan
Patent: 5
Chiba-ken, Japan
Patent: 5
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With the analysis among related 62 patents applied in the last 5 years. We discover 36 most active companies in this area. The fast-growing Hubei Yiwei Power Co., Ltd., Shandong Haike Innovation Research Institute Co., Ltd., Central South University take 24.19% of patent filing during this period.
Hubei Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 3
Taiwan Province, China
Patent: 3
Hubei Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Jinan Haichuan Carbon Co. Ltd.
Shandong Sheng, China
Patent: 2
With the analysis among related 62 patents in last 5 years, we discover 33 new entrants. Hubei Yiwei Power Co., Ltd., Shandong Haike Innovation Research Institute Co., Ltd., Central South University are the most active new entrants in this area.
Hubei Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 3
Taiwan Province, China
Patent: 3
Hubei Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Jinan Haichuan Carbon Co. Ltd.
Shandong Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
With the analysis among 39 patents, we discovered top 12 universities and scientific research institutions by total patent application. Central South University, Shaanxi University of Science & Technology, Saitama University are dominant in this area. They take 46.15% of the total patent filing.
Hunan Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Saitama-ken, Japan
Patent: 2
Hubei Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Beijing Shi, China
Patent: 1
Gansu Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Liaoning Sheng, China
Patent: 1