Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
H01F 29/10

having movable part of magnetic circuit

Full Title

Variable transformers or inductances not covered by group H01F21/00 > with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators > having movable part of magnetic circuit

Top Applicants

Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 37,897
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
  3. APPLIED MATERIALS US 21,640
  4. LG ENERGY SOLUTION KR 20,770
  5. LG CHEM KR 19,835
  6. TOKYO ELECTRON JP 18,519
  7. ROBERT BOSCH DE 14,595
  8. INTEL CORPORATION US 13,580
  9. MURATA MANUFACTURING COMPANY JP 12,151
  10. SAMSUNG SDI COMPANY KR 12,080