CPC Subgroup
H04L 49/90 Buffering arrangements
Full Title
Packet switching elements > Buffering arrangements
13 direct subcodes
Child Classifications
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- H04L 49/9005 using dynamic buffer space allocation
- H04L 49/901 using storage descriptor, e.g. read or write pointers
- H04L 49/9015 for supporting a linked list
- H04L 49/9023 for implementing a jitter-buffer
- H04L 49/9047 including multiple buffers, e.g. buffer pools
- H04L 49/9057 Arrangements for supporting packet reassembly or resequencing
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