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CPC Subgroup
H05B 45/3575

by means of dummy loads or bleeder circuits, e.g. for dimmers

Full Title

Circuit arrangements for operating light-emitting diodes [LED] > Driver circuits > specially adapted for retrofit LED light sources > Emulating the electrical or functional characteristics of incandescent lamps > by means of dummy loads or bleeder circuits, e.g. for dimmers

Top Applicants

Top 10 applicants by patent filingsfor class H05, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 9,981
  2. SAMSUNG DISPLAY KR 5,041
  3. LG ELECTRONICS KR 4,742
  4. PHILIP MORRIS PRODUCTS CH 4,411
  5. PANASONIC INTELLECTUAL PROPERTY JP 3,915
  6. PANASONIC INTELLECTUAL PROPERTY 3,471
  7. SAMSUNG ELECTRO-MECHANICS COMPANY KR 3,210
  8. MURATA MANUFACTURING COMPANY JP 3,191
  9. FUJI JP 2,987
  10. SIGNIFY HOLDING NL 2,907