G10L 15/142
Hidden markov models [hmms]
Official title: {Hidden Markov Models [HMMs]}
G10L15/142 (Hidden markov models [hmms]) appears on 713 US grants and 544 published applications in this corpus.
Search patents in G10L- Granted patents
- 713
- Published applications
- 544
- Assignees
- 271
- Inventors
- 1,312
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 25 | 0 |
| 1998 | 37 | 0 |
| 1999 | 41 | 0 |
| 2000 | 18 | 0 |
| 2001 | 24 | 3 |
| 2002 | 20 | 22 |
| 2003 | 9 | 15 |
| 2004 | 11 | 28 |
| 2005 | 11 | 32 |
| 2006 | 12 | 16 |
| 2007 | 13 | 20 |
| 2008 | 18 | 38 |
| 2009 | 17 | 14 |
| 2010 | 21 | 26 |
| 2011 | 18 | 13 |
| 2012 | 21 | 13 |
| 2013 | 16 | 10 |
| 2014 | 22 | 21 |
| 2015 | 17 | 23 |
| 2016 | 23 | 24 |
| 2017 | 29 | 31 |
| 2018 | 37 | 36 |
| 2019 | 42 | 37 |
| 2020 | 29 | 27 |
| 2021 | 40 | 34 |
| 2022 | 25 | 29 |
| 2023 | 34 | 11 |
| 2024 | 15 | 5 |
| 2025 | 12 | 11 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of contextual speech decoding from the brain6 Oct 2026US 12,755,738 B2The Regents of the University of California
- Method of contextual speech decoding from the brain15 Sep 2026US 12,738,275 B2The Regents of the University of California
- Key phrase spotting14 Jul 2026US 12,682,898 B2Google Inc.
- Speech interaction method, and apparatus, computer readable storage medium, and electronic device31 Mar 2026US 12,592,228 B2Shenzhen Horizon Robotics Technology Co., Ltd.
- Natural language processing with contextual data associated with content displayed by a computing device17 Mar 2026US 12,579,973 B2Amazon Technologies, Inc.
- Methods for natural language model training in natural language understanding (nlu) systems7 May 2026US 2026/0128036 A1Adeia Guides Inc.
- Data Free Speech Recognition16 Apr 2026US 2026/0105909 A1Cypress Semiconductor Corporation
- Hmm decoding with acoustic model compensation for phoneme modeling and pronunciation modelings16 Apr 2026US 2026/0105911 A1Cypress Semiconductor Corporation
- Hmm decoding compensation for speech recognition and multi-structured decoding for low resource command recognition16 Apr 2026US 2026/0105912 A1Cypress Semiconductor Corporation
- Systems and methods for smart dialogue communication5 Feb 2026US 2026/0039751 A1Hithink Royalflush Information Network Co., Ltd.
Most cited
By later US patents
- System and method for natural language processing of query answers680US 7,702,508 B2Phoenix Solutions, Inc. · 2010
- Knowledge-based speech recognition system and methods having frame length computed based upon estimated pitch period of vocalic intervals602US 5,799,276 AAccent S.p.A. · 1998
- Distributed realtime speech recognition system590US 6,633,846 B1Phoenix Solutions, Inc. · 2003
- Query engine for processing voice based queries including semantic decoding558US 7,725,307 B2Phoenix Solutions, Inc. · 2010
- System and method for processing sentence based queries488US 7,657,424 B2Phoenix Solutions, Inc. · 2010