Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
H03K 23/46

using charge transfer devices, i.e. bucket brigade or charge coupled devices

Introduced: January 1985

Last revised: January 2006

Full Title

Pulse counters comprising counting chains; Frequency dividers comprising counting chains > Gating or clocking signals applied to all stages, i.e. synchronous counters > Out-of-phase gating or clocking signals applied to counter stages > using charge transfer devices, i.e. bucket brigade or charge coupled devices

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
PULSE TECHNIQUE

Top Applicants

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

  1. QUALCOMM US 5,625
  2. SAMSUNG ELECTRONICS COMPANY KR 5,496
  3. MURATA MANUFACTURING COMPANY JP 5,478
  4. HUAWEI TECHNOLOGIES COMPANY CN 3,383
  5. INTEL CORPORATION US 3,091
  6. TEXAS INSTRUMENTS US 3,070
  7. MURATA MANUFACTURING COMPANY 2,722
  8. SKYWORKS SOLUTIONS US 2,290
  9. SEIKO EPSON CORPORATION 2,177
  10. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,158