IPC Main Group
H03K 5/00 Manipulation of pulses not covered by one of the other main groups of this subclass
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- PULSE TECHNIQUE
Filing statistics
IPC H03K 5/00 belongs to the parent subclass H03K, which recorded 110,917 patent applications worldwide between 2013 and 2023. Annual filings grew from 8,678 in 2013 to 10,761 in 2023 (+24%), peaking at 11,161 applications in 2020. The most active applicants in class H03 are QUALCOMM (5,625 applications), SAMSUNG ELECTRONICS COMPANY (5,496 applications) and MURATA MANUFACTURING COMPANY (5,478 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
LIMITING of electric pulsesRESTORING of D.C. level of pulsesshaping WAVE forms
10 direct subcodes
Child Classifications
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- H03K 5/003 Changing the DC level
- H03K 5/01 Shaping pulses
- H03K 5/125 Discriminating pulses
- H03K 5/13 Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
- H03K 5/15 Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
- H03K 5/153 Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant
- H03K 5/156 Arrangements in which a continuous pulse train is transformed into a train having a desired pattern
- H03K 5/159 Applications of delay lines not covered by the preceding subgroups
- H03K 5/19 Monitoring patterns of pulse trains
- H03K 5/22 Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
Top Applicants
Top 10 applicants by patent filingsfor class H03, 2013–2023, worldwide · Source: EPO PATSTAT
- QUALCOMM US 5,625
- SAMSUNG ELECTRONICS COMPANY KR 5,496
- MURATA MANUFACTURING COMPANY JP 5,478
- HUAWEI TECHNOLOGIES COMPANY CN 3,383
- INTEL CORPORATION US 3,091
- TEXAS INSTRUMENTS US 3,070
- MURATA MANUFACTURING COMPANY 2,722
- SKYWORKS SOLUTIONS US 2,290
- SEIKO EPSON CORPORATION 2,177
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,158