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 61/60 Lamps in which the discharge space is substantially filled with mercury before ignition 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
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
- SAMSUNG ELECTRONICS COMPANY KR 42,206
- LG CHEM KR 21,383
- APPLIED MATERIALS US 20,441
- LG ENERGY SOLUTION KR 20,279
- SAMSUNG DISPLAY KR 19,725
- CHINESE ACADEMY OF SCIENCES 19,400
- TOYOTA MOTOR CORPORATION 18,819
- SGCC(STATE GRID CORPORATION OF CHINA) 18,082
- TOKYO ELECTRON JP 17,634
Top Applicants (CPC)
Class H01,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 37,897
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
- APPLIED MATERIALS US 21,640
- LG ENERGY SOLUTION KR 20,770
- LG CHEM KR 19,835
- TOKYO ELECTRON JP 18,519
- ROBERT BOSCH DE 14,595
- INTEL CORPORATION US 13,580
- MURATA MANUFACTURING COMPANY JP 12,151
- SAMSUNG SDI COMPANY KR 12,080