CPC Subgroup Additional Only
H01J 2893/0037 Solid sealing members other than lamp bases
Full Title
Discharge tubes and lamps > Vacuum connection techniques applicable to discharge tubes and lamps > Solid sealing members other than lamp bases
3 direct subcodes
Child Classifications
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- H01J 2893/0038 Direct connection between two insulating elements, in particular via glass material
- H01J 2893/0041 Direct connection between insulating and metal elements, in particular via glass material
- H01J 2893/0044 Direct connection between two metal elements, in particular via material a connecting material
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