using diffraction elements, e.g. grating (gratings per se G02B)

Full Title

Spectrometry; Spectrophotometry; Monochromators; Measuring colours > Generating the spectrum; Monochromators > using diffraction elements, e.g. grating (gratings per se G02B)

15 direct subcodes

Child Classifications

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G01J 2003/1814
G01J 2003/1828
G01J 2003/1842
G01J 2003/1866
G01J 2003/188
G01J 2003/1885
G01J 3/1804
G01J 3/1809
G01J 3/1833
G01J 3/1838
G01J 3/189
G01J 3/1895
G01J 3/20 Rowland circle spectrometers
G01J 3/22 Littrow mirror spectrometers
G01J 3/24 using gratings profiled to favour a specific order

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