Inventor
ZHEN QIHUI
CN10 patents
⚠️ This page may combine multiple inventors who share the name “ZHEN QIHUI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INST OF GEOLOGY AND GEOPHYSICS THE CHINESE ACADEMY OF SCIENCES
5 patentsUS10186957B2Jan 22, 2019
Soft-switching control circuit of boost-type PFC converter
INST OF GEOLOGY AND GEOPHYSICS THE CHINESE ACADEMY OF SCIENCES2 citations70
US12379519B2Aug 5, 2025
Reception compensation apparatus based on airborne transient electromagnetic method
INST OF GEOLOGY AND GEOPHYSICS THE CHINESE ACADEMY OF SCIENCES0 citations49
US11914092B2Feb 27, 2024
Inductive magnetic sensor and electromagnetic prospecting equipment
INST OF GEOLOGY AND GEOPHYSICS THE CHINESE ACADEMY OF SCIENCES0 citations48
US11650268B2May 16, 2023
All-band magnetic sensor
INST OF GEOLOGY AND GEOPHYSICS THE CHINESE ACADEMY OF SCIENCES0 citations48
US11201606B2Dec 14, 2021
CSAMT transmitter
INST OF GEOLOGY AND GEOPHYSICS THE CHINESE ACADEMY OF SCIENCES0 citations48
INST GEOLOGY & GEOPHYSICS CAS
4 patentsUS12442291B1Oct 14, 2025
Method of encoding and decoding downlink instructions based on mud flow rate
INST GEOLOGY & GEOPHYSICS CAS1 citations60
US12105245B1Oct 1, 2024
Ground receiving front-end compensation system for intelligent guide drilling borehole-ground electromagnetic transmission
INST GEOLOGY & GEOPHYSICS CAS0 citations49
US12000272B1Jun 4, 2024
Ground transmitting system and method for electromagnetic transmission between well and ground for intelligent drill guiding
INST GEOLOGY & GEOPHYSICS CAS0 citations49
US12435625B1Oct 7, 2025
Service table for polling data of downhole transmission device in measurement-while-drilling
INST GEOLOGY & GEOPHYSICS CAS0 citations48