CPC Subgroup
H01J 61/02 Details
Full Title
Gas-discharge or vapour-discharge lamps (arc lamps with consumable electrodes H05B; electroluminescent lamps H05B) > Details
11 direct subcodes
Child Classifications
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- H01J 61/04 Electrodes (for igniting H01J61/54); Screens; Shields
- H01J 61/12 Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J 61/24 Means for obtaining or maintaining the desired pressure within the vessel
- H01J 61/30 Vessels; Containers
- H01J 61/36 Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
- H01J 61/38 Devices for influencing the colour or wavelength of the light
- H01J 61/50 Auxiliary parts or solid material within the envelope for reducing risk of explosion upon breakage of the envelope, e.g. for use in mines
- H01J 61/52 Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
- H01J 61/54 Igniting arrangements, e.g. promoting ionisation for starting
- H01J 61/56 One or more circuit elements structurally associated with the lamp
Top Applicants
Top 10 applicants by patent filingsfor 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