With the analysis among 37 patents, we discovered top 20 key players by total patent application. Visa International Service Association, NEC Corp., International Business Machines Corp. are dominant in this area. They take 45.95% of the total patent filing.
California, United States
Patent: 11
New York, United States
Patent: 2
Guangdong Sheng, China
Patent: 2
California, United States
Patent: 1
HERTFORD COUNTY, United Kingdom
Patent: 1
Beijing Shi, China
Patent: 1
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With the analysis among related 19 patents applied in the last 5 years. We discover 16 most active companies in this area. The fast-growing NEC Corp., Shanghai University, Liaoning University of Engineering and Technology take 31.58% of patent filing during this period.
Shanghai Shi, China
Patent: 1
Liaoning Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Jilin Sheng, China
Patent: 1
With the analysis among related 19 patents in last 5 years, we discover 15 new entrants. NEC Corp., Shanghai University, Liaoning University of Engineering and Technology are the most active new entrants in this area.
Shanghai Shi, China
Patent: 1
Liaoning Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Jilin Sheng, China
Patent: 1
With the analysis among 8 patents, we discovered top 4 universities and scientific research institutions by total patent application. Sichuan University, Zhejiang University, Chinese Academy of Sciences Institute of Acoustics are dominant in this area. They take 37.50% of the total patent filing.
Sichuan Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1