H03M 13/51
Constant weight codes
Official title: Constant weight codes; n-out-of-m codes; Berger codes
H03M13/51 (Constant weight codes) appears on 45 US grants and 30 published applications in this corpus.
Search patents in H03M- Granted patents
- 45
- Published applications
- 30
- Assignees
- 39
- Inventors
- 101
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 3 | 3 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 1 | 3 |
| 2015 | 1 | 1 |
| 2016 | 2 | 4 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for determining a code word2 Jun 2026US 12,647,137 B2Infineon Technologies AG
- Method and system for identification via channels and computer program product14 Apr 2026US 12,603,802 B2
- Error detection25 Nov 2025US 12,483,276 B2Infineon Technologies AG
- Error processing for non-volatile memories19 Nov 2024US 12,147,303 B2Infineon Technologies AG
- Fixed weight codewords for ternary memory cells7 Nov 2023US 11,811,424 B2Micron Technology, Inc.
- Processing of ternary symbols16 Jul 2026US 2026/0204299 A1Infineon Technologies AG
- Methods and procedures on low density ook sequences for low power synchronization and wake up signals16 Jul 2026US 2026/0205949 A1Huawei Technologies Co., Ltd.
- Error correction9 Apr 2026US 2026/0099406 A1Infineon Technologies AG
- Error detection19 Feb 2026US 2026/0051904 A1Infineon Technologies AG
- Method for determining a code word12 Dec 2024US 2024/0411679 A1Infineon Technologies AG
Most cited
By later US patents
- M Out of N code checker circuit156US 4,498,177 ASperry Corporation · 1985
- Fault-tolerant corrector/detector chip for high-speed data processing95US 5,291,496 AThe United States of America as represented by the United States Department of Energy · 1994
- Method and apparatus for fast encoding of data symbols according to half-weight codes76US 7,721,184 B2Digital Fountain, Inc. · 2010
- Self-checking content-addressable memory and method of operation for detecting multiple selected word lines53US 5,796,758 AInternational Business Machines Corporation · 1998
- Method and apparatus for reducing DC components in a digital information signal48US 4,387,364 ASony Corporation · 1983