CPC Subgroup Additional Only
G10K 2210/3028 Filtering, e.g. Kalman filters or special analogue or digital filters
Full Title
Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups > Means > Computational > Filtering, e.g. Kalman filters or special analogue or digital filters
1 direct subcode
Child Classifications
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- G10K 2210/30281 Lattice filters
Top Applicants
Top 10 applicants by patent filingsfor class G10, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 6,277
- GOOGLE US 5,429
- FRAUNHOFER DE 4,984
- SONY CORPORATION JP 2,808
- HUAWEI TECHNOLOGIES COMPANY CN 2,577
- MICROSOFT TECHNOLOGY LICENSING US 2,382
- DOLBY LABORATORIES LICENSING CORPORATION US 2,123
- QUALCOMM US 2,117
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,049
- AMAZON TECHNOLOGIES US 1,924