With the analysis among 1,597 patents, we discovered top 472 key players by total patent application. Guilin Jieyu Environmental Protection Technology Co., Ltd., China Petroleum & Chemical Corp., Automotive Systems Laboratory, Inc. are dominant in this area. They take 7.39% of the total patent filing.
Guangxi Zhuangzu Zizhiqu, China
Patent: 42
Beijing Shi, China
Patent: 39
Michigan, United States
Patent: 37
Tokyo-to, Japan
Patent: 24
Tokyo-to, Japan
Patent: 17
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 16
Aichi-ken, Japan
Patent: 16
Osaka-fu, Japan
Patent: 14
Liaoning Sheng, China
Patent: 13
With the analysis among 4 patents, we discovered top 3 start-ups by total patent application.
Ibaraki-ken, Japan
Patent: 2
California, United States
Patent: 1
With the analysis among related 249 patents applied in the last 5 years. We discover 191 most active companies in this area. The fast-growing China Petroleum & Chemical Corp., Jilin Changchun High Nitrogen Alloy R&D Center Co., Ltd., Dalian Petrochemical Research Institute of China Petrochemical Corporation take 7.23% of patent filing during this period.
Beijing Shi, China
Patent: 6
Jilin Sheng, China
Patent: 6
Liaoning Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 5
Hebei Sheng, China
Patent: 5
Hubei Sheng, China
Patent: 5
Henan Sheng, China
Patent: 4
Hebei Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
With the analysis among related 249 patents in last 5 years, we discover 134 new entrants. Jilin Changchun High Nitrogen Alloy R&D Center Co., Ltd., Hebei Nuofan New Material Technology Co., Ltd., Huazhong Agricultural University are the most active new entrants in this area.
Jilin Sheng, China
Patent: 6
Hebei Sheng, China
Patent: 5
Hubei Sheng, China
Patent: 5
Henan Sheng, China
Patent: 4
Hebei Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
Pennsylvania, United States
Patent: 3
Henan Sheng, China
Patent: 3
California, United States
Patent: 3
Hebei Sheng, China
Patent: 3
With the analysis among 572 patents, we discovered top 152 universities and scientific research institutions by total patent application. North Eastern University, Sinopec Research Institute of Petroleum Processing, Tongji University are dominant in this area. They take 12.06% of the total patent filing.
Liaoning Sheng, China
Patent: 19
Beijing Shi, China
Patent: 12
Shanghai Shi, China
Patent: 9
Liaoning Sheng, China
Patent: 8
Beijing Shi, China
Patent: 8
Jiangsu Sheng, China
Patent: 8
Beijing Shi, China
Patent: 7
Guangdong Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 6