H03K 4/83 using as active elements semiconductor devices with more than two PN junctions or with more than three electrodes or more than one electrode connected to the same conductivity region
Introduced: July 1974
Last revised: January 2006
Full Title
Generating pulses having essentially a finite slope or stepped portions > having triangular shape > having sawtooth shape > using as active elements semiconductor devices with more than two PN junctions or with more than three electrodes or more than one electrode connected to the same conductivity region
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- PULSE TECHNIQUE
Filing statistics
IPC H03K 4/83 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
1 direct subcode
Child Classifications
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- H03K 4/84 Generators in which the semiconductor device is conducting during the fly-back part of the cycle
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