CPC Subgroup Additional Only
G03H 2222/20 Coherence of the light source
Full Title
Light sources or light beam properties > Coherence of the light source
3 direct subcodes
Child Classifications
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- G03H 2222/22 Spatial coherence
- G03H 2222/23 Temporal coherence
- G03H 2222/24 Low coherence light normally not allowing valuable record or reconstruction (G03H1/06 takes precedence)
Top Applicants
Top 10 applicants by patent filingsfor class G03, 2013–2023, worldwide · Source: EPO PATSTAT
- CANON JP 19,215
- CANON 12,916
- ASML NETHERLANDS NL 10,000
- FUJIFILM JP 7,814
- SAMSUNG ELECTRONICS COMPANY KR 5,181
- CARL ZEISS SMT DE 5,079
- RICOH COMPANY JP 4,343
- LG INNOTEK COMPANY KR 4,054
- KYOCERA DOCUMENT SOLUTIONS 3,812
- KYOCERA DOCUMENT SOLUTIONS JP 3,682