With the analysis among 2,237 patents, we discovered top 477 key players by total patent application. Hitachi Ltd., Schaeffler Technologies AG & Co. KG, China National Petroleum Corp. are dominant in this area. They take 4.92% of the total patent filing.
Tokyo-to, Japan
Patent: 59
Beijing Shi, China
Patent: 24
Tokyo-to, Japan
Patent: 23
Tokyo-to, Japan
Patent: 22
Tokyo-to, Japan
Patent: 22
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 21
Texas, United States
Patent: 21
Osaka-fu, Japan
Patent: 20
Massachusetts, United States
Patent: 18
With the analysis among 11 patents, we discovered top 6 start-ups by total patent application. Aisin KK, Hap2u, Nanjing Taizhi Automation Technology Co. , Ltd. are active in this area.
Jiangsu Sheng, China
Patent: 1
New York, United States
Patent: 1
Zhejiang Sheng, China
Patent: 1
With the analysis among related 888 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China National Petroleum Corp., AAC Technologies Pte Ltd., Gree Electric Appliances, Inc. of Zhuhai take 5.29% of patent filing during this period.
Beijing Shi, China
Patent: 17
Central Singapore, Singapore
Patent: 16
Guangdong Sheng, China
Patent: 14
Henan Sheng, China
Patent: 13
Beijing Shi, China
Patent: 12
Shandong Sheng, China
Patent: 11
Beijing Shi, China
Patent: 11
Sichuan Sheng, China
Patent: 10
Guangdong Sheng, China
Patent: 9
Shaanxi Sheng, China
Patent: 8
With the analysis among related 888 patents in last 5 years, we discover 414 new entrants. AAC Technologies Pte Ltd., Henan Polytechnic University, AAC Acoustic Technologies (Shenzhen) Co., Ltd. are the most active new entrants in this area.
Central Singapore, Singapore
Patent: 16
Henan Sheng, China
Patent: 13
Guangdong Sheng, China
Patent: 9
Shaanxi Sheng, China
Patent: 8
undefined undefined
Patent: 6
Shanghai Shi, China
Patent: 5
Shanghai Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Hebei Sheng, China
Patent: 5
With the analysis among 607 patents, we discovered top 134 universities and scientific research institutions by total patent application. Yangtze University, Southwest Petroleum University, China University of Petroleum (East China) are dominant in this area. They take 10.21% of the total patent filing.
Hubei Sheng, China
Patent: 24
Sichuan Sheng, China
Patent: 20
Shandong Sheng, China
Patent: 18
Zhejiang Sheng, China
Patent: 16
Shaanxi Sheng, China
Patent: 13
Guangdong Sheng, China
Patent: 13
Henan Sheng, China
Patent: 13
Jiangsu Sheng, China
Patent: 11
Jilin Sheng, China
Patent: 10
Beijing Shi, China
Patent: 10