IPC Subgroup
G01J 5/1 using electric radiation detectors
Introduced: September 1968
Last revised: January 2006
Full Title
Radiation pyrometry, e.g. infrared or optical thermometry > using electric radiation detectors
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- G01J 5/12 using thermoelectric elements, e.g. thermocouples
- G01J 5/2 using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
- G01J 5/28 using photoemissive or photovoltaic cells
- G01J 5/34 using capacitors, e.g. pyroelectric capacitors
- G01J 5/36 using ionisation of gases
Top Applicants
Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 41,447
- CHINESE ACADEMY OF SCIENCES 32,952
- ROBERT BOSCH DE 16,470
- SAMSUNG ELECTRONICS COMPANY KR 10,052
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
- ZHEJIANG UNIVERSITY 9,529
- GUANGDONG POWER GRID CORPORATION 8,615
- TSINGHUA UNIVERSITY 7,805
- HALLIBURTON ENERGY SERVICES GROUP US 7,796
- QUALCOMM US 7,171