With the analysis among 70 patents, we discovered top 28 key players by total patent application. Motorola, Inc., Matsushita Electronics Corp., Schlumberger Technology BV are dominant in this area. They take 32.86% of the total patent filing.
Illinois, United States
Patent: 9
Zuid-Holland, Netherlands
Patent: 7
New South Wales, Australia
Patent: 5
New Jersey, United States
Patent: 4
Delaware, United States
Patent: 4
With the analysis among 2 patents, we discovered top 1 start-ups by total patent application.
California, United States
Patent: 2
With the analysis among related 28 patents applied in the last 5 years. We discover 27 most active companies in this area. The fast-growing Schlumberger Technology BV, NEC Corp., Guangxi Power Grid Co., Ltd. Electric Power Research Institute take 28.57% of patent filing during this period.
Zuid-Holland, Netherlands
Patent: 3
Guangxi Zhuangzu Zizhiqu, China
Patent: 2
Yunnan Sheng, China
Patent: 2
New Jersey, United States
Patent: 1
Heilongjiang Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among related 28 patents in last 5 years, we discover 19 new entrants. Guangxi Power Grid Co., Ltd. Electric Power Research Institute, Kunming University of Science & Technology, Hyundai Motor Co., Ltd. are the most active new entrants in this area.
Guangxi Zhuangzu Zizhiqu, China
Patent: 2
Yunnan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
Heilongjiang Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among 23 patents, we discovered top 13 universities and scientific research institutions by total patent application. Boston University, Kunming University of Science & Technology, Chinese Academy of Sciences Institute of Acoustics are dominant in this area. They take 30.43% of the total patent filing.
Massachusetts, United States
Patent: 3
Yunnan Sheng, China
Patent: 2
New Mexico, United States
Patent: 1
Hunan Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Fujian Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1