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DIFF Main Group
H01J 61/00

Gas-discharge or vapour-discharge lamps (arc lamps with consumable electrodes H05B; electroluminescent lamps H05B)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Gas-discharge or vapour-discharge lamps

CPC: Gas-discharge or vapour-discharge lamps (arc lamps with consumable electrodes H05B; electroluminescent lamps H05B)

Full Title

Full titles differ between systems:

IPC:

Gas-discharge or vapour-discharge lamps

CPC:

Gas-discharge or vapour-discharge lamps (arc lamps with consumable electrodes H05B; electroluminescent lamps H05B)

IPC and CPC are identically structured here. All 13 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • H01J 61/58 Lamps with both liquid anode and liquid cathode IPC+CPC Available in IPC and CPC
  • H01J 61/60 Lamps in which the discharge space is substantially filled with mercury before ignition IPC+CPC Available in IPC and CPC
  • H01J 61/62 Lamps with gaseous cathode, e.g. plasma cathode IPC+CPC Available in IPC and CPC
  • H01J 61/68 Lamps in which the main discharge is between parts of a current-carrying guide, e.g. halo lamp IPC+CPC Available in IPC and CPC
  • H01J 61/95 Lamps with control electrode for varying intensity or wavelength of the light, e.g. for producing modulated light IPC+CPC Available in IPC and CPC
  • H01J 61/96 Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight IPC+CPC Available in IPC and CPC
  • H01J 61/98 Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge, e.g. tungsten arc lamp IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H01,2013–2023, worldwide · Source: EPO PATSTAT

  1. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
  2. SAMSUNG ELECTRONICS COMPANY KR 42,206
  3. LG CHEM KR 21,383
  4. APPLIED MATERIALS US 20,441
  5. LG ENERGY SOLUTION KR 20,279
  6. SAMSUNG DISPLAY KR 19,725
  7. CHINESE ACADEMY OF SCIENCES 19,400
  8. TOYOTA MOTOR CORPORATION 18,819
  9. SGCC(STATE GRID CORPORATION OF CHINA) 18,082
  10. TOKYO ELECTRON JP 17,634

Top Applicants (CPC)

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