H03M 7/42
Using table look-up for the coding or decoding process
Official title: using table look-up for the coding or decoding process, e.g. using read-only memory {(H03M7/4006 takes precedence)}
H03M7/42 (Using table look-up for the coding or decoding process) appears on 876 US grants and 463 published applications in this corpus.
Search patents in H03M- Granted patents
- 876
- Published applications
- 463
- Assignees
- 313
- Inventors
- 1,252
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 10 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 20 | 0 |
| 1990 | 9 | 0 |
| 1991 | 15 | 0 |
| 1992 | 12 | 0 |
| 1993 | 21 | 0 |
| 1994 | 15 | 0 |
| 1995 | 28 | 0 |
| 1996 | 35 | 0 |
| 1997 | 55 | 0 |
| 1998 | 49 | 0 |
| 1999 | 19 | 0 |
| 2000 | 13 | 0 |
| 2001 | 14 | 10 |
| 2002 | 24 | 4 |
| 2003 | 23 | 16 |
| 2004 | 16 | 10 |
| 2005 | 13 | 12 |
| 2006 | 17 | 19 |
| 2007 | 9 | 12 |
| 2008 | 18 | 28 |
| 2009 | 8 | 11 |
| 2010 | 30 | 24 |
| 2011 | 16 | 10 |
| 2012 | 11 | 14 |
| 2013 | 15 | 12 |
| 2014 | 11 | 11 |
| 2015 | 14 | 15 |
| 2016 | 27 | 31 |
| 2017 | 38 | 25 |
| 2018 | 30 | 26 |
| 2019 | 33 | 33 |
| 2020 | 37 | 27 |
| 2021 | 24 | 17 |
| 2022 | 31 | 22 |
| 2023 | 16 | 32 |
| 2024 | 25 | 17 |
| 2025 | 24 | 18 |
| 2026 | 12 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Selection of reduction operation in a storage system28 Jul 2026US 12,695,465 B2Hewlett Packard Enterprise Development LP
- Arithmetic encoders, arithmetic decoders, video encoder, video decoder, methods for encoding, methods for decoding and computer program30 Jun 2026US 12,671,440 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Selective and flexible compression of data associated with a machine learning model26 May 2026US 12,640,753 B2Meta Platforms, Inc.
- Encoding / decoding system and method5 May 2026US 12,619,578 B2LogNovations Holdings, LLC
- Encoding / decoding system and method5 May 2026US 12,619,579 B2LogNovations Holdings, LLC
- Arithmetic Encoders, Arithmetic Decoders, Video Encoder, Video Decoder, Methods for Encoding, Methods for Decoding and Computer Program1 Oct 2026US 2026/0303118 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Code table generation device, memory system, and code table generation method17 Sep 2026US 2026/0280582 A1Kioxia Corporation
- Initiator identifier compression3 Sep 2026US 2026/0261270 A1Micron Technology, Inc.
- Compressing Entropy Tables With Interpolative Coding28 May 2026US 2026/0149464 A1Nintendo Co., Ltd.
- Encoding and Decoding Sequences of Values5 Mar 2026US 2026/0066924 A1Arm Limited
Most cited
By later US patents
- Data compression, encryption, and in-line transmission system339US 4,386,416 AMostek Corporation · 1983
- Method and apparatus for encoding and decoding data281US 5,717,394 ARicoh Company, Ltd. · 1998
- Method and apparatus for parallel decoding and encoding of data265US 5,381,145 ARicoh Company, Ltd. · 1995
- Context adaptive variable length decoding system and method262US 6,646,578 B1UB Video Inc. · 2003
- Compression of stored waveforms for artificial speech261US 4,852,168 A1989