Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
H05F 3/00

Carrying-off electrostatic charges

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Subclass:
STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY

Filing statistics

IPC H05F 3/00 belongs to the parent subclass H05F, which recorded 19,659 patent applications worldwide between 2013 and 2023. Annual filings grew from 615 in 2013 to 3,133 in 2023 (+409%), peaking at 3,200 applications in 2020. 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

DISCHARGING of electrostatic chargedischarging ELECTROSTATIC charges in general; discharging ELECTROSTATIC charges from driving belts

3 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • H05F 3/02 by means of earthing connections
  • H05F 3/04 by means of spark gaps or other discharge devices
  • H05F 3/06 by means of ionising radiation

Top Applicants

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

  1. SAMSUNG ELECTRONICS COMPANY KR 7,201
  2. PANASONIC INTELLECTUAL PROPERTY 6,828
  3. SEMICONDUCTOR ENERGY LABORATORY COMPANY 3,988
  4. LG ELECTRONICS KR 3,564
  5. PANASONIC INTELLECTUAL PROPERTY JP 3,533
  6. SAMSUNG DISPLAY KR 3,310
  7. FUJI JP 2,870
  8. SAMSUNG ELECTRO-MECHANICS COMPANY KR 2,675
  9. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 2,665
  10. MURATA MANUFACTURING COMPANY JP 2,634