CPC Subgroup
H04N 25/772 comprising A/D, V/T, V/F, I/T or I/F converters
Full Title
Circuitry of solid-state image sensors [SSIS]; Control thereof > SSIS architectures; Circuits associated therewith > Addressed sensors, e.g. MOS or CMOS sensors > Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components > comprising A/D, V/T, V/F, I/T or I/F converters
1 direct subcode
Child Classifications
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- H04N 25/773 comprising photon counting circuits, e.g. single photon detection [SPD] or single photon avalanche diodes [SPAD]
Top Applicants
Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT
- HUAWEI TECHNOLOGIES COMPANY CN 101,476
- QUALCOMM US 101,139
- SAMSUNG ELECTRONICS COMPANY KR 96,655
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
- LG ELECTRONICS KR 55,253
- HUAWEI TECHNOLOGIES COMPANY 54,181
- SONY CORPORATION JP 35,309
- ZTE CORPORATION CN 32,950
- INTEL CORPORATION US 27,533
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498