Inventor
Dan Song
Inventor
Beijing, CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties18%
B09CReclamation of contaminated soil9%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels9%
F25DRefrigerators9%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure9%
G01VGeophysics9%
G06FElectric digital data processing9%
G08BSignalling systems, e.g. personal calling systems9%
H04LTransmission of digital information, e.g. telegraphic communication9%
H04WWireless communication networks9%
PatentTitleYear
10,884,154Monitoring and forewarning method for coal-rock dynamic disasters based on electromagnetic radiation and earth sound202110,654,082Method using artificial freezing technique for sealing and displacement of soil pollutant20209,479,537'Method, system and apparatus for improving security level of a terminal when surfing internet'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016Patents assigned to TENCENT TECH SHENZHEN CO LTD (1)· patent assignee history
2016Based in Shenzhen, CN· patent location history
2020Patents assigned to CHINA COAL CONSTRUCTION GROUP LTD CORPORATION (1)· patent assignee history
2020Patents assigned to CHINA COAL CONTRUCTION GROUP LTD CORPORATION (1)· patent assignee history
2020Patents assigned to UNIV CHINA MINING (1)· patent assignee history
2020Based in Jiangsu, CN· patent location history
2021Patents assigned to UNIV BEIJING SCIENCE & TECHNOLOGY (1)· patent assignee history
2021Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHINA COAL CONSTRUCTION GROUP LTD CORPORATION | 1 | 2020 |
| CHINA COAL CONTRUCTION GROUP LTD CORPORATION | 1 | 2020 |
| TENCENT TECH SHENZHEN CO LTD | 1 | 2016 |
| UNIV BEIJING SCIENCE & TECHNOLOGY | 1 | 2021 |
| UNIV CHINA MINING | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 1 | 2021 |
| Jiangsu, CN | 1 | 2020 |
| Shenzhen, CN | 1 | 2016 |