IPC Subgroup
H03K 23/64 with a base or radix other than a power of two
Introduced: January 1985
Last revised: January 2006
Full Title
Pulse counters comprising counting chains; Frequency dividers comprising counting chains > with a base or radix other than a power of two
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- PULSE TECHNIQUE
4 direct subcodes
Child Classifications
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- H03K 23/66 with a variable counting base, e.g. by presetting or by adding or suppressing pulses
- H03K 23/68 with a base which is a non-integer
- H03K 23/7 with a base which is an odd number
- H03K 23/72 Decade counters
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