CPC Main Group
G01S 13/00 Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
8 direct subcodes
Child Classifications
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- G01S 13/02 Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S 13/66 Radar-tracking systems; Analogous systems
- G01S 13/74 Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S 13/86 Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
- G01S 13/87 Combinations of radar systems, e.g. primary radar and secondary radar
- G01S 13/88 Radar or analogous systems specially adapted for specific applications (electromagnetic prospecting or detecting of objects, e.g. near-field detection, G01V3/00)
Top Applicants
Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 21,460
- ROBERT BOSCH DE 17,801
- SGCC(STATE GRID CORPORATION OF CHINA) 17,347
- SAMSUNG ELECTRONICS COMPANY KR 13,192
- QUALCOMM US 9,900
- HALLIBURTON ENERGY SERVICES GROUP US 9,742
- PHILIPS ELECTRONICS NL 7,249
- MITSUBISHI ELECTRIC CORPORATION JP 6,503
- ZHEJIANG UNIVERSITY 6,414
- DENSO CORPORATION JP 6,382