CPC Subgroup
F21S 41/25 Projection lenses
Full Title
Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps (reversing lights F21S43/00) > characterised by refractors, transparent cover plates, light guides or filters > Projection lenses
5 direct subcodes
Child Classifications
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- F21S 41/255 Lenses with a front view of circular or truncated circular outline
- F21S 41/26 Elongated lenses
- F21S 41/265 Composite lenses; Lenses with a patch-like shape
- F21S 41/27 Thick lenses
- F21S 41/275 Lens surfaces, e.g. coatings or surface structures
Top Applicants
Top 10 applicants by patent filingsfor class F21, 2013–2023, worldwide · Source: EPO PATSTAT
- VALEO VISION FR 2,820
- SIGNIFY HOLDING NL 2,374
- KOITO MANUFACTURING COMPANY JP 1,890
- KOITO MANUFACTURING COMPANY 1,722
- LG INNOTEK COMPANY KR 1,624
- OSRAM DE 1,507
- LG ELECTRONICS KR 1,458
- PANASONIC INTELLECTUAL PROPERTY JP 1,433
- ZUMTOBEL LIGHTING AT 1,349
- PANASONIC INTELLECTUAL PROPERTY 1,275