With the analysis among 7,905 patents, we discovered top 461 key players by total patent application. Koninklijke Philips NV, Philips, Hitachi Ltd. are dominant in this area. They take 5.64% of the total patent filing.
Noord-Holland, Netherlands
Patent: 224
Tokyo-to, Japan
Patent: 107
Bayern, Germany
Patent: 105
Tokyo-to, Japan
Patent: 76
Drenthe, Netherlands
Patent: 71
Tokyo-to, Japan
Patent: 63
Tokyo-to, Japan
Patent: 62
New Jersey, United States
Patent: 57
With the analysis among 97 patents, we discovered top 44 start-ups by total patent application. Baraja Pty Ltd., Cognitive Systems Corp., Is CLEAN AIR Italia SRL are active in this area.
New South Wales, Australia
Patent: 20
Beijing Shi, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 2
With the analysis among related 2,294 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Petroleum & Chemical Corp., Zhejiang University, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences take 3.14% of patent filing during this period.
Beijing Shi, China
Patent: 25
Zhejiang Sheng, China
Patent: 24
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Patent: 23
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Patent: 22
Beijing Shi, China
Patent: 22
Jiangsu Sheng, China
Patent: 21
Hubei Sheng, China
Patent: 21
Beijing Shi, China
Patent: 20
Drenthe, Netherlands
Patent: 20
Hunan Sheng, China
Patent: 18
With the analysis among related 2,294 patents in last 5 years, we discover 250 new entrants. Central South University, Yangtze University, Zhongke Sanqing Technology Co., Ltd. are the most active new entrants in this area.
Hunan Sheng, China
Patent: 18
Hubei Sheng, China
Patent: 7
Beijing Shi, China
Patent: 7
Anhui Sheng, China
Patent: 7
Anhui Sheng, China
Patent: 6
Beijing Shi, China
Patent: 5
Guizhou Sheng, China
Patent: 4
California, United States
Patent: 4
Beijing Shi, China
Patent: 4
With the analysis among 3,754 patents, we discovered top 292 universities and scientific research institutions by total patent application. Massachusetts Institute of Technology, Zhejiang University, Tsinghua University are dominant in this area. They take 4.13% of the total patent filing.
Massachusetts, United States
Patent: 53
Zhejiang Sheng, China
Patent: 51
Beijing Shi, China
Patent: 51
Hubei Sheng, China
Patent: 49
Jiangsu Sheng, China
Patent: 45
Tianjin Shi, China
Patent: 36
Beijing Shi, China
Patent: 29
Beijing Shi, China
Patent: 29
Jilin Sheng, China
Patent: 28
Jiangsu Sheng, China
Patent: 28