CPC Subgroup
H04L 49/10 characterised by the switching fabric construction
Full Title
Packet switching elements > characterised by the switching fabric construction
8 direct subcodes
Child Classifications
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- H04L 49/101 using crossbar or matrix
- H04L 49/102 using shared medium, e.g. bus or ring
- H04L 49/103 using a shared central buffer; using a shared memory
- H04L 49/104 Asynchronous transfer mode [ATM] switching fabrics
- H04L 49/109 Integrated on microchip, e.g. switch-on-chip
- H04L 49/111 Switch interfaces, e.g. port details
- H04L 49/112 Switch control, e.g. arbitration
- H04L 49/113 Arrangements for redundant switching, e.g. using parallel planes
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