CPC Subgroup
F21V 25/04 breaking the electric circuit
Full Title
Safety devices structurally associated with lighting devices (gas- tight or water-tight arrangements F21V31/00; in general F16P; protective circuit arrangements per se H02H7/00) > coming into action when lighting device is disturbed, dismounted, or broken > breaking the electric circuit
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