With the analysis among 348 patents, we discovered top 145 key players by total patent application. Sony Group Corp., Tancy Instrument Group Co. Ltd., Matsushita Electronics Corp. are dominant in this area. They take 17.24% of the total patent filing.
Tokyo-to, Japan
Patent: 24
Zhejiang Sheng, China
Patent: 19
Osaka-fu, Japan
Patent: 17
Tokyo-to, Japan
Patent: 10
Fukushima-ken, Japan
Patent: 9
California, United States
Patent: 9
Shizuoka-ken, Japan
Patent: 7
Zhejiang Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
California, United States
Patent: 5
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With the analysis among related 73 patents applied in the last 5 years. We discover 47 most active companies in this area. The fast-growing Tancy Instrument Group Co. Ltd., Beijing Gas Group Co., Ltd., Shanghai GongZun Meter Co.,Ltd take 23.29% of patent filing during this period.
Zhejiang Sheng, China
Patent: 9
Beijing Shi, China
Patent: 5
Shanghai Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 2
Shanghai Shi, China
Patent: 2
Taiwan Province, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
With the analysis among related 73 patents in last 5 years, we discover 40 new entrants. Shanghai GongZun Meter Co.,Ltd, Korea Gas Corp., China Petroleum University Beijing are the most active new entrants in this area.
Shanghai Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 2
Taiwan Province, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Fujian Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
With the analysis among 20 patents, we discovered top 7 universities and scientific research institutions by total patent application. China Petroleum University Beijing, Zhejiang University, Chengdu University of Technology are dominant in this area. They take 25.00% of the total patent filing.
Beijing Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Henan Sheng, China
Patent: 1
Ningxia Huizi Zizhiqu, China
Patent: 1
Jiangsu Sheng, China
Patent: 1