With the analysis among 221 patents, we discovered top 111 key players by total patent application. Hitachi Ltd., Telefonaktiebolaget LM Ericsson, NEC Corp. are dominant in this area. They take 19.91% of the total patent filing.
Tokyo-to, Japan
Patent: 23
Telefonaktiebolaget LM Ericsson
New York, United States
Patent: 5
Washington, United States
Patent: 5
Connecticut, United States
Patent: 5
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With the analysis among related 18 patents applied in the last 5 years. We discover 16 most active companies in this area. The fast-growing Honda Motor Co., Ltd., Geoquest Systems BV, DENSO Corp. take 22.22% of patent filing during this period.
Zuid-Holland, Netherlands
Patent: 1
Aichi-ken, Japan
Patent: 1
New Jersey, United States
Patent: 1
Sichuan Sheng, China
Patent: 1
Minnesota, United States
Patent: 1
Jilin Sheng, China
Patent: 1
With the analysis among related 18 patents in last 5 years, we discover 13 new entrants. Geoquest Systems BV, Renault SA, Schlumberger Technologies, Inc. are the most active new entrants in this area.
Zuid-Holland, Netherlands
Patent: 1
New Jersey, United States
Patent: 1
Sichuan Sheng, China
Patent: 1
Minnesota, United States
Patent: 1
Jilin Sheng, China
Patent: 1
Fukushima-ken, Japan
Patent: 1
With the analysis among 6 patents, we discovered top 1 universities and scientific research institutions by total patent application.
Liaoning Sheng, China
Patent: 1