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PCE
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Search for IPC and CPC classification codes or keywords
CPC Subgroup Additional Only
H03D 2200/0009

Emitter or source coupled transistor pairs or long tail pairs

Full Title

Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D > Circuit elements of demodulators > Emitter or source coupled transistor pairs or long tail pairs

Top Applicants

Top 10 applicants by patent filingsfor class H03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 7,293
  2. QUALCOMM US 7,085
  3. MURATA MANUFACTURING COMPANY JP 5,982
  4. HUAWEI TECHNOLOGIES COMPANY CN 4,641
  5. INTEL CORPORATION US 3,863
  6. TEXAS INSTRUMENTS US 3,409
  7. MURATA MANUFACTURING COMPANY 2,874
  8. SK HYNIX KR 2,644
  9. SKYWORKS SOLUTIONS US 2,545
  10. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,437