Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Main Group
H01K 5/00

Lamps for general lighting (H01K9/00 - H01K13/00 take precedence)

Filing statistics

CPC H01K 5/00 belongs to the parent subclass H01K, which recorded 1,175 patent applications worldwide between 2013 and 2023. Annual filings declined from 109 in 2013 to 70 in 2023 (-36%), peaking at 144 applications in 2014. The most active applicants in class H01 are SAMSUNG ELECTRONICS COMPANY (37,897 applications), TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY (36,116 applications) and APPLIED MATERIALS (21,640 applications).

Source: EPO PATSTAT, worldwide filings

1 direct subcode

Child Classifications

Navigate with arrow keys, Enter to open

  • H01K 5/02 with connections made at opposite ends, e.g. tubular lamp with axially arranged filament

Top Applicants

Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 37,897
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
  3. APPLIED MATERIALS US 21,640
  4. LG ENERGY SOLUTION KR 20,770
  5. LG CHEM KR 19,835
  6. TOKYO ELECTRON JP 18,519
  7. ROBERT BOSCH DE 14,595
  8. INTEL CORPORATION US 13,580
  9. MURATA MANUFACTURING COMPANY JP 12,151
  10. SAMSUNG SDI COMPANY KR 12,080