Duoplasmatrons

Full Title

Ion beam tubes (H01J25/00, H01J33/00, H01J37/00 take precedence; particle accelerators H05H) > Ion sources; Ion guns > using arc discharge > Duoplasmatrons

1 direct subcode

Child Classifications

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H01J 27/12 provided with an expansion cup

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