H01J 5/50 Means forming part of the tube or lamps for the purpose of providing electrical connection to it
Introduced: September 1968
Title
Titles differ between systems:
IPC: Means forming part of the tube or lamp for the purpose of providing electrical connection to it
CPC: Means forming part of the tube or lamps for the purpose of providing electrical connection to it
Full Title
Full titles differ between systems:
Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps > Means forming part of the tube or lamp for the purpose of providing electrical connection to it
Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps > Means forming part of the tube or lamps for the purpose of providing electrical connection to it
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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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