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CPC Main Group
H03K 7/00

Modulating pulses with a continuously-variable modulating signal

Filing statistics

CPC H03K 7/00 belongs to the parent subclass H03K, which recorded 115,470 patent applications worldwide between 2013 and 2023. Annual filings grew from 7,771 in 2013 to 10,326 in 2023 (+33%), peaking at 12,309 applications in 2019. The most active applicants in class H03 are SAMSUNG ELECTRONICS COMPANY (7,293 applications), QUALCOMM (7,085 applications) and MURATA MANUFACTURING COMPANY (5,982 applications).

Source: EPO PATSTAT, worldwide filings

5 direct subcodes

Child Classifications

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  • H03K 7/02 Amplitude modulation, i.e. PAM
  • H03K 7/04 Position modulation, i.e. PPM
  • H03K 7/06 Frequency or rate modulation, i.e. PFM or PRM
  • H03K 7/08 Duration or width modulation
  • H03K 7/10 Combined modulation, e.g. rate modulation and amplitude modulation

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