With the analysis among 112 patents, we discovered top 71 key players by total patent application. IRO AB, Matsushita Electronics Corp., Valeo Embrayages SAS are dominant in this area. They take 11.61% of the total patent filing.
Connecticut, United States
Patent: 2
Ohio, United States
Patent: 2
Virginia, United States
Patent: 2
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With the analysis among related 23 patents applied in the last 5 years. We discover 17 most active companies in this area. The fast-growing Robertshaw Controls Co., Performance Pulsation Control, Inc., Wing Acoustics Ltd. take 26.09% of patent filing during this period.
Virginia, United States
Patent: 2
Texas, United States
Patent: 2
Auckland, New Zealand
Patent: 2
Hubei Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Fujian Sheng, China
Patent: 1
With the analysis among related 23 patents in last 5 years, we discover 16 new entrants. Robertshaw Controls Co., Performance Pulsation Control, Inc., Wing Acoustics Ltd. are the most active new entrants in this area.
Virginia, United States
Patent: 2
Texas, United States
Patent: 2
Auckland, New Zealand
Patent: 2
Hubei Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Fujian Sheng, China
Patent: 1
With the analysis among 3 patents, we discovered top 1 universities and scientific research institutions by total patent application.
Guangdong Sheng, China
Patent: 1