H03M 13/1102
Codes on graphs and decoding on graphs
Official title: {Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes}
H03M13/1102 (Codes on graphs and decoding on graphs) appears on 5,223 US grants and 5,448 published applications in this corpus.
Search patents in H03M- Granted patents
- 5,223
- Published applications
- 5,448
- Assignees
- 781
- Inventors
- 4,477
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 11 |
| 2003 | 5 | 18 |
| 2004 | 9 | 53 |
| 2005 | 15 | 101 |
| 2006 | 28 | 96 |
| 2007 | 55 | 142 |
| 2008 | 78 | 159 |
| 2009 | 80 | 176 |
| 2010 | 125 | 221 |
| 2011 | 139 | 193 |
| 2012 | 296 | 158 |
| 2013 | 334 | 247 |
| 2014 | 328 | 307 |
| 2015 | 330 | 306 |
| 2016 | 298 | 386 |
| 2017 | 310 | 325 |
| 2018 | 256 | 296 |
| 2019 | 453 | 480 |
| 2020 | 394 | 402 |
| 2021 | 441 | 324 |
| 2022 | 369 | 251 |
| 2023 | 296 | 237 |
| 2024 | 257 | 237 |
| 2025 | 208 | 198 |
| 2026 | 108 | 123 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low-complexity decoder and operation method thereof6 Oct 2026US 12,756,406 B2Samsung Electronics Co., Ltd.
- 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.
- Encoding metadata information in a codeword29 Sep 2026US 12,750,070 B2Micron Technology, Inc.
- Transmission method, reception method, transmitter, and receiver29 Sep 2026US 12,750,159 B2Panasonic Intellectual Property Corporation of America
- Transmitter and method for transmitting data block in wireless communication system8 Oct 2026US 2026/0312754 A1Electronics and Telecommunications Research Institute
- Method for performing quantum error correction1 Oct 2026US 2026/0300796 A1
- Controller, system and method for decoding codeword based on historical information1 Oct 2026US 2026/0303121 A1Innogrit Technologies Co., Ltd.
- Efficient dual sphere soft demapping for multi antenna communication systems1 Oct 2026US 2026/0303122 A1Avago Technologies International Sales Pte. Limited
- System and method for low density parity check (ldpc) code with 5/6 code rate1 Oct 2026US 2026/0303123 A1Avago Technologies International Sales Pte. Limited
Most cited
By later US patents
- Fixed content distributed data storage using permutation ring encoding1,418US 7,240,236 B2Archivas, Inc. · 2007
- Methods and apparatus for decoding LDPC codes319US 6,633,856 B2Flarion Technologies, Inc. · 2003
- Apparatus and methods for administering treatment within a bodily duct of a patient236US 9,692,557 B22017
- Method and apparatus for low density parity check encoding of data217US 6,895,547 B2International Business Machines Corporation · 2005
- Incremental media size extension for grid encoded data storage systems215US 9,904,589 B1Amazon Technologies, Inc. · 2018