H03M 13/23
Using convolutional codes
Official title: using convolutional codes, e.g. unit memory codes
H03M13/23 (Using convolutional codes) appears on 843 US grants and 768 published applications in this corpus.
Search patents in H03M- Granted patents
- 843
- Published applications
- 768
- Assignees
- 313
- Inventors
- 1,399
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 13 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 16 | 0 |
| 2000 | 17 | 0 |
| 2001 | 22 | 7 |
| 2002 | 14 | 26 |
| 2003 | 31 | 31 |
| 2004 | 19 | 33 |
| 2005 | 22 | 34 |
| 2006 | 24 | 22 |
| 2007 | 20 | 47 |
| 2008 | 26 | 29 |
| 2009 | 28 | 33 |
| 2010 | 28 | 47 |
| 2011 | 25 | 38 |
| 2012 | 40 | 38 |
| 2013 | 68 | 40 |
| 2014 | 56 | 57 |
| 2015 | 54 | 33 |
| 2016 | 41 | 53 |
| 2017 | 29 | 31 |
| 2018 | 31 | 32 |
| 2019 | 41 | 22 |
| 2020 | 26 | 22 |
| 2021 | 22 | 16 |
| 2022 | 21 | 19 |
| 2023 | 12 | 15 |
| 2024 | 17 | 16 |
| 2025 | 17 | 15 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Error correction code circuit and semiconductor apparatus including the error correction code circuit25 Aug 2026US 12,719,505 B2SK hynix Inc.
- Physical-layer parameter designs enabling RU duplication and tone repetition for next-generation WLAN18 Aug 2026US 12,712,771 B2Mediatek Inc.
- Transmitter and method for transmitting data block in wireless communication system23 Jun 2026US 12,665,711 B2Electronics and Telecommunications Research Institute
- Method and device for simplified successive cancellation list decoding of polarization-adjusted convolutional (PAC) codes9 Jun 2026US 12,652,064 B2Samsung Electronics Co., Ltd.
- Error correction for identifier data generated from unclonable characteristics of resistive memory12 May 2026US 12,626,759 B1Crossbar, Inc.
- Transmitter and method for transmitting data block in wireless communication system8 Oct 2026US 2026/0312754 A1Electronics and Telecommunications Research Institute
- Method and apparatus for receiving ppdu on which bcc interleaving has been performed in multi-ru in wireless lan system13 Aug 2026US 2026/0238385 A1LG Electronics Inc.
- A hybrid construction of a polarization-adjusted convolutional code for wireless communication13 Aug 2026US 2026/0238407 A1QUALCOMM Incorporated
- Turbo code designing method, turbo code designing apparatus, and recording medium stored with turbo code designing program18 Jun 2026US 2026/0172054 A1Sigcode, Inc.
- Communication method and apparatus14 May 2026US 2026/0135670 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Method and system for error-free data transfer1,486US 6,012,159 AKencast, Inc. · 2000
- Error-correction coding method with at least two systematic convolutional codings in parallel, corresponding iterative decoding method, decoding module and decoder235US 5,446,747 AFrance Telecom · 1995
- Fast forward link power control in a code division multiple access system211US 5,383,219 AQUALCOMM Incorporated · 1995
- Method and installation for digital communication, particularly between and toward moving vehicles171US 4,881,241 ACentre National d'Etudes des Telecommunications · 1989
- Methods and apparatus for constant-weight encoding & decoding170US 6,661,355 B2Apple Computer, Inc. · 2003