CPC Subgroup Additional Only
G01N 2201/06 Illumination; Optics
Full Title
Features of devices classified in G01N21/00 > Illumination; Optics
9 direct subcodes
Child Classifications
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- G01N 2201/061 Sources
- G01N 2201/062 LED's
- G01N 2201/063 Illuminating optical parts
- G01N 2201/064 Stray light conditioning
- G01N 2201/065 Integrating spheres
- G01N 2201/066 Modifiable path; multiple paths in one sample
- G01N 2201/067 Electro-optic, magneto-optic, acousto-optic elements
- G01N 2201/068 Optics, miscellaneous
- G01N 2201/069 Supply of sources
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