IPC Main Group
H05B 31/00 Electric arc lamps
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- Subclass:
- ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
Filing statistics
IPC H05B 31/00 belongs to the parent subclass H05B, which recorded 317,963 patent applications worldwide between 2013 and 2023. Annual filings declined from 28,029 in 2013 to 23,921 in 2023 (-15%), peaking at 32,442 applications in 2017. The most active applicants in class H05 are SAMSUNG ELECTRONICS COMPANY (7,201 applications), PANASONIC INTELLECTUAL PROPERTY (6,828 applications) and SEMICONDUCTOR ENERGY LABORATORY COMPANY (3,988 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
electric ARC(S) lamps
5 direct subcodes
Child Classifications
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- H05B 31/02 Details
- H05B 31/36 having two electrodes in line
- H05B 31/4 having two electrodes at an angle
- H05B 31/44 having two parallel electrodes
- H05B 31/48 having more than two electrodes
Top Applicants
Top 10 applicants by patent filingsfor 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