With the analysis among 29 patents, we discovered top 25 key players by total patent application. Siemens AG, Halliburton Energy Services, Inc., Fujitsu Ltd. are dominant in this area. They take 20.69% of the total patent filing.
Halliburton Energy Services, Inc.
Texas, United States
Patent: 2
Nippon Telegraph & Telephone Corp.
Zoomlion Heavy Industry Science & Technology Co., Ltd.
Hunan Sheng, China
Patent: 1
Ningbo David Medical Device Co., Ltd.
Zhejiang Sheng, China
Patent: 1
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