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DIFF Subgroup
H05H 1/36

Circuit arrangements (H05H1/38, H05H1/40 take precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: Circuit arrangements

CPC: Circuit arrangements (H05H1/38, H05H1/40 take precedence)

Full Title

Full titles differ between systems:

IPC:

Generating plasma; Handling plasma > Generating plasma > Plasma torches > using an arc > Details, e.g. electrodes, nozzles > Circuit arrangements

CPC:

Generating plasma; Handling plasma > Generating plasma > Plasma torches > using an arc (H05H1/28 takes precedence) > Details, e.g. electrodes, nozzles > Circuit arrangements (H05H1/38, H05H1/40 take precedence)

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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