H03M 13/00
Coding, decoding or code conversion, for error detection or error correction
Official title: Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes (error detection or error correction for analogue/digital, digital/analogue or code conversion H03M1/00 – H03M11/00; specially adapted for digital computers G06F11/08; for information storage based on relative movement between record carrier and transducer G11B, e.g. G11B20/18; for static stores G11C)
H03M13/00 (Coding, decoding or code conversion, for error detection or error correction) appears on 18,363 US grants and 16,671 published applications in this corpus.
Search patents in H03M- Granted patents
- 18,363
- Published applications
- 16,671
- Assignees
- 2,500
- Inventors
- 17,840
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 13 | 0 |
| 1978 | 9 | 0 |
| 1979 | 6 | 0 |
| 1980 | 12 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 17 | 0 |
| 1984 | 17 | 0 |
| 1985 | 35 | 0 |
| 1986 | 43 | 0 |
| 1987 | 64 | 0 |
| 1988 | 54 | 0 |
| 1989 | 70 | 0 |
| 1990 | 40 | 0 |
| 1991 | 42 | 0 |
| 1992 | 66 | 0 |
| 1993 | 79 | 0 |
| 1994 | 99 | 0 |
| 1995 | 140 | 0 |
| 1996 | 139 | 0 |
| 1997 | 120 | 0 |
| 1998 | 217 | 0 |
| 1999 | 234 | 0 |
| 2000 | 228 | 0 |
| 2001 | 279 | 112 |
| 2002 | 255 | 375 |
| 2003 | 327 | 433 |
| 2004 | 318 | 460 |
| 2005 | 304 | 505 |
| 2006 | 431 | 452 |
| 2007 | 420 | 667 |
| 2008 | 442 | 611 |
| 2009 | 415 | 712 |
| 2010 | 522 | 735 |
| 2011 | 584 | 628 |
| 2012 | 961 | 624 |
| 2013 | 1014 | 731 |
| 2014 | 979 | 787 |
| 2015 | 913 | 787 |
| 2016 | 792 | 864 |
| 2017 | 745 | 947 |
| 2018 | 740 | 856 |
| 2019 | 1178 | 1175 |
| 2020 | 1049 | 999 |
| 2021 | 1037 | 751 |
| 2022 | 863 | 596 |
| 2023 | 693 | 540 |
| 2024 | 581 | 545 |
| 2025 | 499 | 456 |
| 2026 | 255 | 323 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03M 13/03Error detection or forward error correction by redundancy in data representation, i.e.13,019
- H03M 13/37Decoding methods or techniques, not specific to the particular type of coding5,342
- H03M 13/29Combining two or more codes or code structures5,298
- H03M 13/65Purpose and implementation aspects3,915
- H03M 13/63Joint error correction and other techniques3,288
- H03M 13/27Coding, decoding or code conversion, for error detection or error correction: using3,141
- H03M 13/61Aspects and characteristics of methods and arrangements for error correction or error2,380
- H03M 13/25Error detection or forward error correction by signal space coding, i.e. adding2,109
All 13 subgroupsShow fewer
- H03M 13/35Unequal or adaptive error protection1,725
- H03M 13/31Combining coding for error detection or correction and efficient use of the291
- H03M 13/33Synchronisation based on error coding or decoding226
- H03M 13/47Error detection, forward error correction or error protection, not provided for in221
- H03M 13/01Coding theory basic assumptions198
Recent patents
- Low-complexity decoder and operation method thereof6 Oct 2026US 12,756,406 B2Samsung Electronics Co., Ltd.
- Ultra-wideband method and apparatus6 Oct 2026US 12,756,423 B2DecaWave, Ltd.
- Encoding method and neural network encoder structure usable in wireless communication system29 Sep 2026US 12,748,951 B2LG Electronics Inc.
- Apparatus and method for power reduction in a bit flipping decoder29 Sep 2026US 12,750,068 B2SK hynix Inc.
- LDPC encoding and decoding method and related apparatus29 Sep 2026US 12,750,069 B2Huawei Technologies Co., Ltd.
- Autonomous Allocation of Rebuilding Resources via a Storage Network8 Oct 2026US 2026/0310534 A1Everpure, Inc.
- Decoding errors using quantum subspace expansion8 Oct 2026US 2026/0311029 A1Google Inc.
- Arithmetic circuit, memory system, and method of controlling nonvolatile memory8 Oct 2026US 2026/0312604 A1Kioxia Corporation
- Shaping bits for polar coding8 Oct 2026US 2026/0312719 A1QUALCOMM Incorporated
- Transmitter and method for transmitting data block in wireless communication system8 Oct 2026US 2026/0312754 A1Electronics and Telecommunications Research Institute
Most cited
By later US patents
- Method for packet-level fec encoding, in which on a source packet-by-source packet basis, the error correction contributions of a source packet to a plurality of wildcard packets are computed, and the source packet is transmitted thereafter1,507US 6,609,223 B1Kencast, Inc. · 2003
- Method and system for error-free data transfer1,486US 6,012,159 AKencast, Inc. · 2000
- Multi-dimensional data protection and mirroring method for micro level data1,420US 7,103,824 B22006
- Fixed content distributed data storage using permutation ring encoding1,418US 7,240,236 B2Archivas, Inc. · 2007
- Data storage system and method by shredding and deshredding1,338US 7,636,724 B2Peerify Technologies, LLC · 2009