With the analysis among 37 patents, we discovered top 19 key players by total patent application. Siemens AG, Orange Personal Communications Services Ltd., QUALCOMM, Inc. are dominant in this area. They take 37.84% of the total patent filing.
Orange Personal Communications Services Ltd.
Hertfordshire, United Kingdom
Patent: 5
California, United States
Patent: 4
ZyXEL Communications Corp.
Taiwan Province, China
Patent: 4
Luxembourg, Luxembourg
Patent: 4
Huawei Technologies Co., Ltd.
Guangdong Sheng, China
Patent: 1
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