CPC Main Group
H03M 1/00 Analogue/digital conversion; Digital/analogue conversion (conversion of analogue values to or from differential modulation H03M3/00)
9 direct subcodes
Child Classifications
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- H03M 1/02 Reversible analogue/digital converters
- H03M 1/04 using stochastic techniques
- H03M 1/06 Continuously compensating for, or preventing, undesired influence of physical parameters (periodically, H03M1/10)
- H03M 1/10 Calibration or testing
- H03M 1/12 Analogue/digital converters ( H03M1/10 take precedence)
- H03M 1/66 Digital/analogue converters ( H03M1/10 take precedence)
Top Applicants
Top 10 applicants by patent filingsfor class H03, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 7,293
- QUALCOMM US 7,085
- MURATA MANUFACTURING COMPANY JP 5,982
- HUAWEI TECHNOLOGIES COMPANY CN 4,641
- INTEL CORPORATION US 3,863
- TEXAS INSTRUMENTS US 3,409
- MURATA MANUFACTURING COMPANY 2,874
- SK HYNIX KR 2,644
- SKYWORKS SOLUTIONS US 2,545
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,437