With the analysis among 177 patents, we discovered top 97 key players by total patent application. Tollgrade Communications, Inc., Advanced Interactive, Inc., Salton, Inc. are dominant in this area. They take 16.38% of the total patent filing.
Tollgrade Communications, Inc.
Pennsylvania, United States
Patent: 14
Advanced Interactive, Inc.
British Columbia, Canada
Patent: 8
British Telecommunications Plc
Avago Technologies International Sales Pte Ltd.
Central Singapore, Singapore
Patent: 7
California, United States
Patent: 5
Toyama-ken, Japan
Patent: 4
Communications Systems, Inc.
Minnesota, United States
Patent: 3
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With the analysis among related 24 patents applied in the last 5 years. We discover 19 most active companies in this area. The fast-growing Holley Metering Group Co. Ltd., Nanjing Huamai Technology Co., Ltd., Jiangsu Tongguang Info Co. Ltd. take 20.83% of patent filing during this period.
Holley Metering Group Co. Ltd.
Zhejiang Sheng, China
Patent: 2
Nanjing Huamai Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 2
Jiangsu Tongguang Info Co. Ltd.
Jiangsu Sheng, China
Patent: 1
Chongqing Putian Steel Structure Co., Ltd.
Chongqing Shi, China
Patent: 1
Gree Electric Appliances, Inc. of Zhuhai
Guangdong Sheng, China
Patent: 1
CenturyLink Intellectual Property LLC
Delaware, United States
Patent: 1
Changchun Vocational and Technical College
Jilin Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Zhe Jiang Lv Tan Zhi Neng Jian Zhu You Xian Gong Si
Zhejiang Sheng, China
Patent: 1
Marketing Service Center (Measuring Center) of State Grid Hubei Electric Power Co., Ltd.
Hubei Sheng, China
Patent: 1
With the analysis among related 24 patents in last 5 years, we discover 17 new entrants. Holley Metering Group Co. Ltd., Jiangsu Tongguang Info Co. Ltd., Chongqing Putian Steel Structure Co., Ltd. are the most active new entrants in this area.
Holley Metering Group Co. Ltd.
Zhejiang Sheng, China
Patent: 2
Jiangsu Tongguang Info Co. Ltd.
Jiangsu Sheng, China
Patent: 1
Chongqing Putian Steel Structure Co., Ltd.
Chongqing Shi, China
Patent: 1
CenturyLink Intellectual Property LLC
Delaware, United States
Patent: 1
Changchun Vocational and Technical College
Jilin Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Zhe Jiang Lv Tan Zhi Neng Jian Zhu You Xian Gong Si
Zhejiang Sheng, China
Patent: 1
Marketing Service Center (Measuring Center) of State Grid Hubei Electric Power Co., Ltd.
Hubei Sheng, China
Patent: 1
State Grid Hubei Electric Power Co., Ltd. Electric Power Research Institute
Hubei Sheng, China
Patent: 1
Fiberhome Telecommunication Technologies Co., Ltd.
Hubei Sheng, China
Patent: 1
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