CPC Subgroup
G01J 5/08 Optical arrangements
Full Title
Radiation pyrometry, e.g. infrared or optical thermometry > Constructional details > Optical arrangements
27 direct subcodes
Child Classifications
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- G01J 5/0801 Means for wavelength selection or discrimination
- G01J 5/0803 Arrangements for time-dependent attenuation of radiation signals
- G01J 5/0806 Focusing or collimating elements, e.g. lenses or concave mirrors
- G01J 5/0808 Convex mirrors
- G01J 5/0813 Planar mirrors; Parallel phase plates
- G01J 5/0818 Waveguides
- G01J 5/0831 Masks; Aperture plates; Spatial light modulators
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