G10L 15/144
Training of hmms
Official title: {Training of HMMs}
G10L15/144 (Training of hmms) appears on 233 US grants and 159 published applications in this corpus.
Search patents in G10L- Granted patents
- 233
- Published applications
- 159
- Assignees
- 120
- Inventors
- 466
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 18 | 0 |
| 1999 | 18 | 0 |
| 2000 | 7 | 0 |
| 2001 | 11 | 0 |
| 2002 | 14 | 8 |
| 2003 | 1 | 7 |
| 2004 | 6 | 8 |
| 2005 | 5 | 10 |
| 2006 | 5 | 9 |
| 2007 | 2 | 6 |
| 2008 | 8 | 12 |
| 2009 | 6 | 4 |
| 2010 | 6 | 9 |
| 2011 | 6 | 5 |
| 2012 | 5 | 3 |
| 2013 | 5 | 3 |
| 2014 | 6 | 7 |
| 2015 | 5 | 4 |
| 2016 | 4 | 6 |
| 2017 | 7 | 8 |
| 2018 | 8 | 8 |
| 2019 | 8 | 10 |
| 2020 | 9 | 12 |
| 2021 | 13 | 10 |
| 2022 | 2 | 6 |
| 2023 | 12 | 1 |
| 2024 | 3 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Natural language processing with contextual data associated with content displayed by a computing device17 Mar 2026US 12,579,973 B2Amazon Technologies, Inc.
- Enhancing signature word detection in voice assistants13 May 2025US 12,300,234 B2Adeia Guides Inc.
- Systems and methods for fast filtering of audio keyword search25 Jun 2024US 12,020,697 B2Raytheon Applied Signal Technology, Inc.
- Generating event output11 Jun 2024US 12,008,995 B2Amazon Technologies, Inc.
- Speech emotion detection method and apparatus, computer device, and storage medium5 Mar 2024US 11,922,969 B2Tencent Technology (Shenzhen) Company Limited
- Enhancing signature word detection in voice assistants27 Nov 2025US 2025/0363986 A1Adeia Guides Inc.
- Voice wake-up method, electronic device, and computer-readable storage medium5 Jun 2025US 2025/0182748 A1Aac Acoustic Technologies (Shenzhen) Co., Ltd.
- Contextual natural language processing9 May 2024US 2024/0153499 A1Amazon Technologies, Inc.
- Enhancing signature word detection in voice assistants13 Jul 2023US 2023/0223021 A1Rovi Guides, Inc.
- Generating event output10 Nov 2022US 2022/0358930 A1Amazon Technologies, Inc.
Most cited
By later US patents
- Method for representing word models for use in speech recognition333US 4,903,305 ADragon Systems, Inc. · 1990
- Recognition unit model training based on competing word and word string models298US 5,579,436 ALucent Technologies Inc. · 1996
- Speech recognition system291US 4,718,094 AInternational Business Machines Corporation · 1988
- Constructing Markov model word baseforms from multiple utterances by concatenating model sequences for word segments272US 4,819,271 AInternational Business Machines Corporation · 1989
- Speech recognition method and system using triphones, diphones, and phonemes266US 5,502,790 AOki Electric Industry Co., Ltd. · 1996