IPC Main Group
H03J 5/00 Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
Filing statistics
IPC H03J 5/00 belongs to the parent subclass H03J, which recorded 1,256 patent applications worldwide between 2013 and 2023. Annual filings declined from 190 in 2013 to 41 in 2023 (-78%). 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
2 direct subcodes
Child Classifications
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- H03J 5/02 with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J 5/24 with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
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