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PCE
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CPC Subgroup
H05B 39/10

Circuits providing for substitution of the light source in case of its failure

Full Title

Circuit arrangements or apparatus for operating incandescent light sources (structurally associated with the incandescent lamps H01K1/62) > Circuits providing for substitution of the light source in case of its failure

1 direct subcode

Child Classifications

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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