Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
H03C 1/18

carrier applied to control grid

Full Title

Amplitude modulation (H03C5/00, H03C7/00 take precedence) > by means of discharge device having at least three electrodes (H03C1/28 - H03C1/34, H03C1/50, H03C1/52, H03C1/62 take precedence) > carrier applied to control grid

4 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • H03C 1/20 modulating signal applied to anode
  • H03C 1/22 modulating signal applied to same grid
  • H03C 1/24 modulating signal applied to different grid
  • H03C 1/26 modulating signal applied to cathode

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