H03M
Coding
Official title: CODING; DECODING; CODE CONVERSION IN GENERAL (using fluidic means F15C4/00; optical analogue/digital converters G02F7/00; coding, decoding or code conversion, specially adapted for particular applications, see the relevant subclasses, e.g. G01D, G01R, G06F, G06T, G09G, G10L, G11B, G11C, H04B, H04L, H04M, H04N; ciphering or deciphering for cryptography or other purposes involving the need for secrecy G09C)
H03M (Coding) appears on 49,268 US grants and 39,433 published applications in this corpus.
Search patents in H03M- Granted patents
- 49,268
- Published applications
- 39,433
- Assignees
- 6,841
- Inventors
- 53,444
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 185 | 0 |
| 1977 | 172 | 0 |
| 1978 | 188 | 0 |
| 1979 | 123 | 0 |
| 1980 | 166 | 0 |
| 1981 | 129 | 0 |
| 1982 | 173 | 0 |
| 1983 | 162 | 0 |
| 1984 | 163 | 0 |
| 1985 | 227 | 0 |
| 1986 | 308 | 0 |
| 1987 | 298 | 0 |
| 1988 | 260 | 0 |
| 1989 | 378 | 0 |
| 1990 | 342 | 0 |
| 1991 | 388 | 0 |
| 1992 | 350 | 0 |
| 1993 | 374 | 0 |
| 1994 | 383 | 0 |
| 1995 | 452 | 0 |
| 1996 | 469 | 0 |
| 1997 | 559 | 0 |
| 1998 | 773 | 0 |
| 1999 | 666 | 0 |
| 2000 | 698 | 0 |
| 2001 | 895 | 246 |
| 2002 | 937 | 887 |
| 2003 | 998 | 1008 |
| 2004 | 972 | 1146 |
| 2005 | 929 | 1239 |
| 2006 | 1268 | 1253 |
| 2007 | 1198 | 1460 |
| 2008 | 1257 | 1509 |
| 2009 | 1152 | 1506 |
| 2010 | 1380 | 1613 |
| 2011 | 1437 | 1454 |
| 2012 | 1686 | 1457 |
| 2013 | 1957 | 1633 |
| 2014 | 2082 | 1673 |
| 2015 | 2020 | 1708 |
| 2016 | 1932 | 1775 |
| 2017 | 1867 | 1844 |
| 2018 | 1771 | 1848 |
| 2019 | 2377 | 2362 |
| 2020 | 2448 | 2238 |
| 2021 | 2203 | 1912 |
| 2022 | 2015 | 1819 |
| 2023 | 1830 | 1762 |
| 2024 | 1699 | 1627 |
| 2025 | 1588 | 1472 |
| 2026 | 984 | 982 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- H03M 13/00Coding, decoding or code conversion, for error detection or error correction18,363
- H03M 1/00Analogue/digital conversion16,887
- H03M 7/00Conversion of a code where information is represented by a given sequence9,759
- H03M 3/00Conversion of analogue values to or from differential modulation3,937
- H03M 5/00Conversion of the form of the representation of individual digits1,637
- H03M 9/00Parallel/series conversion or vice versa1,001
- H03M 11/00Coding in connection with keyboards or like devices, i.e. coding of the713
- H03M 99/00Subject matter not provided for in other groups of this subclass3
Recent patents
- Apparatus for processing received data6 Oct 2026US 12,754,692 B2Hitachi Vantara, Ltd.
- Binary-weighted capacitor charge-sharing for multiplication6 Oct 2026US 12,754,713 B2Intel Corporation
- Decompression engine for decompressing compressed input data that includes multiple streams of data6 Oct 2026US 12,754,738 B2ATI Technologies ULC
- Cache structure and utilization6 Oct 2026US 12,754,876 B2Intel Corporation
- Analog-to-digital converter system for switching operating modes6 Oct 2026US 12,756,400 B2Analog Devices, Inc.
- Encoding and Decoding Variable Length Instructions8 Oct 2026US 2026/0310465 A1Imagination Technologies Limited
- Autonomous Allocation of Rebuilding Resources via a Storage Network8 Oct 2026US 2026/0310534 A1Everpure, Inc.
- Power management in network devices8 Oct 2026US 2026/0310623 A1Cisco Technology, Inc.
- Feature flag payload compression using dictionaries8 Oct 2026US 2026/0310635 A1Roblox Corporation
- Systems, methods, and devices for providing ultra-low latency communication links8 Oct 2026US 2026/0311026 A1
Most cited
By later US patents
- Surgical generator for ultrasonic and electrosurgical devices1,826US 9,168,054 B2Ethicon Endo-Surgery, Inc. · 2015
- 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