CPC Subgroup
H01J 47/10 Spark counters (H01J47/14 takes precedence; spark gaps H01T)
Full Title
Tubes for determining the presence, intensity, density or energy of radiation or particles ( ; photoelectric discharge tubes not involving the ionisation of a gas H01J40/00 ) > Spark counters (H01J47/14 takes precedence; spark gaps H01T)
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