H05B 39/00 Circuit arrangements or apparatus for operating incandescent light sources (structurally associated with the incandescent lamps H01K1/62)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Circuit arrangements or apparatus for operating incandescent light sources
CPC: Circuit arrangements or apparatus for operating incandescent light sources (structurally associated with the incandescent lamps H01K1/62)
Full Title
Full titles differ between systems:
Circuit arrangements or apparatus for operating incandescent light sources
Circuit arrangements or apparatus for operating incandescent light sources (structurally associated with the incandescent lamps H01K1/62)
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
Navigate with arrow keys, Enter to open
- H05B 39/02 Switching on, e.g. with predetermined rate of increase of lighting current IPC+CPC Available in IPC and CPC
- H05B 39/10 Circuits providing for substitution of the light source in case of its failure +1 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class H05,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 7,201
- PANASONIC INTELLECTUAL PROPERTY 6,828
- SEMICONDUCTOR ENERGY LABORATORY COMPANY 3,988
- LG ELECTRONICS KR 3,564
- PANASONIC INTELLECTUAL PROPERTY JP 3,533
- SAMSUNG DISPLAY KR 3,310
- FUJI JP 2,870
- SAMSUNG ELECTRO-MECHANICS COMPANY KR 2,675
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 2,665
- MURATA MANUFACTURING COMPANY JP 2,634
Top Applicants (CPC)
Class H05,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 9,981
- SAMSUNG DISPLAY KR 5,041
- LG ELECTRONICS KR 4,742
- PHILIP MORRIS PRODUCTS CH 4,411
- PANASONIC INTELLECTUAL PROPERTY JP 3,915
- PANASONIC INTELLECTUAL PROPERTY 3,471
- SAMSUNG ELECTRO-MECHANICS COMPANY KR 3,210
- MURATA MANUFACTURING COMPANY JP 3,191
- FUJI JP 2,987
- SIGNIFY HOLDING NL 2,907