With the analysis among 518 patents, we discovered top 306 key players by total patent application. Zhong Guo Zhen Hua Ji Tuan Yong Guang Dian Gong Chang, Alpha & Omega Semiconductor Ltd., Shandong Zhisheng Electronic Devices Co., Ltd. are dominant in this area. They take 11.39% of the total patent filing.
Zhong Guo Zhen Hua Ji Tuan Yong Guang Dian Gong Chang
Guizhou Sheng, China
Patent: 25
Alpha & Omega Semiconductor Ltd.
California, United States
Patent: 21
Shandong Zhisheng Electronic Devices Co., Ltd.
Shandong Sheng, China
Patent: 13
California, United States
Patent: 12
State Grid Corp. of China
Beijing Shi, China
Patent: 9
Alpha & Omega Semiconductor, Inc.
California, United States
Patent: 7
Littelfuse Semiconductor (Wuxi) Co. Ltd.
Jiangsu Sheng, China
Patent: 7
Taiwan Province, China
Patent: 6
State Grid Sichuan Electric Power Co.
Sichuan Sheng, China
Patent: 6
Hitachi Energy Switzerland AG
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With the analysis among related 210 patents applied in the last 5 years. We discover 139 most active companies in this area. The fast-growing Shandong Zhisheng Electronic Devices Co., Ltd., Zhong Guo Zhen Hua Ji Tuan Yong Guang Dian Gong Chang, Semtech Corp. take 13.33% of patent filing during this period.
Shandong Zhisheng Electronic Devices Co., Ltd.
Shandong Sheng, China
Patent: 13
Zhong Guo Zhen Hua Ji Tuan Yong Guang Dian Gong Chang
Guizhou Sheng, China
Patent: 8
California, United States
Patent: 7
Taiwan Province, China
Patent: 6
Hitachi Energy Switzerland AG
Littelfuse Semiconductor (Wuxi) Co. Ltd.
Jiangsu Sheng, China
Patent: 5
State Grid Corp. of China
Beijing Shi, China
Patent: 4
Shandong Jingdao Miceoelectronics Co. Ltd.
Shandong Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 4
STMicroelectronics (Tours) SAS
With the analysis among related 210 patents in last 5 years, we discover 122 new entrants. Shandong Zhisheng Electronic Devices Co., Ltd., Mosel Vitelic, Inc., Hitachi Energy Switzerland AG are the most active new entrants in this area.
Shandong Zhisheng Electronic Devices Co., Ltd.
Shandong Sheng, China
Patent: 13
Taiwan Province, China
Patent: 6
Hitachi Energy Switzerland AG
Shandong Jingdao Miceoelectronics Co. Ltd.
Shandong Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 4
STMicroelectronics (Tours) SAS
Georgia, United States
Patent: 3
Anhui Electric Power Co. Xuancheng Power Supply Co.
Anhui Sheng, China
Patent: 3
Shanghai Prisemi Electronics Co., Ltd.
Shanghai Shi, China
Patent: 3
Suzhou Lianfei Guoyao Electronic Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 3
With the analysis among 64 patents, we discovered top 23 universities and scientific research institutions by total patent application. Hubei University of Arts & Science, University of Electronic Science & Technology of China, West Anhui University are dominant in this area. They take 31.25% of the total patent filing.
Hubei University of Arts & Science
Hubei Sheng, China
Patent: 10
University of Electronic Science & Technology of China
Sichuan Sheng, China
Patent: 7
Anhui Sheng, China
Patent: 3
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 2
Nanjing Normal University
Jiangsu Sheng, China
Patent: 2
Nanjing University of Aeronautics & Astronautics
Jiangsu Sheng, China
Patent: 2
Hangzhou Dianzi University
Zhejiang Sheng, China
Patent: 2
China Electric Power Research Institute Ltd.
Beijing Shi, China
Patent: 2
Guilin University of Electronic Technology
Guangxi Zhuangzu Zizhiqu, China
Patent: 2
Ulsan National Institute of Science & Technology