With the analysis among 879 patents, we discovered top 258 key players by total patent application. Nippon Telegraph & Telephone Corp., NEC Corp., Matsushita Electronics Corp. are dominant in this area. They take 11.15% of the total patent filing.
Tokyo-to, Japan
Patent: 40
Tokyo-to, Japan
Patent: 29
Osaka-fu, Japan
Patent: 29
Tokyo-to, Japan
Patent: 27
Tokyo-to, Japan
Patent: 24
Chiba-ken, Japan
Patent: 18
Tokyo-to, Japan
Patent: 17
Tokyo-to, Japan
Patent: 17
Telefonaktiebolaget LM Ericsson
Massachusetts, United States
Patent: 15
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With the analysis among related 69 patents applied in the last 5 years. We discover 24 most active companies in this area. The fast-growing SoftBank Corp., British Telecommunications Plc, Verizon Patent & Licensing, Inc. take 37.68% of patent filing during this period.
Chiba-ken, Japan
Patent: 18
New York, United States
Patent: 4
Yamanashi-ken, Japan
Patent: 3
Washington, United States
Patent: 2
Guizhou Sheng, China
Patent: 2
With the analysis among related 69 patents in last 5 years, we discover 12 new entrants. SoftBank Corp., Verizon Patent & Licensing, Inc., Liupanshui Huaan Blasting Engineering Co., Ltd. are the most active new entrants in this area.
Chiba-ken, Japan
Patent: 18
New York, United States
Patent: 4
Guizhou Sheng, China
Patent: 2
Washington, United States
Patent: 2
California, United States
Patent: 1
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Patent: 1
With the analysis among 17 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Guangdong Sheng, China
Patent: 1