A63F 13/424
Involving acoustic input signals
Official title: involving acoustic input signals, e.g. by using the results of pitch or rhythm extraction or voice recognition
A63F13/424 (Involving acoustic input signals) appears on 421 US grants and 582 published applications in this corpus.
Search patents in A63F- Granted patents
- 421
- Published applications
- 582
- Assignees
- 202
- Inventors
- 1,079
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 10 |
| 2003 | 3 | 4 |
| 2004 | 2 | 8 |
| 2005 | 2 | 13 |
| 2006 | 3 | 18 |
| 2007 | 4 | 17 |
| 2008 | 4 | 12 |
| 2009 | 5 | 12 |
| 2010 | 8 | 18 |
| 2011 | 5 | 24 |
| 2012 | 6 | 19 |
| 2013 | 19 | 19 |
| 2014 | 19 | 19 |
| 2015 | 15 | 15 |
| 2016 | 26 | 19 |
| 2017 | 20 | 29 |
| 2018 | 22 | 19 |
| 2019 | 36 | 32 |
| 2020 | 25 | 46 |
| 2021 | 29 | 31 |
| 2022 | 31 | 25 |
| 2023 | 29 | 49 |
| 2024 | 31 | 56 |
| 2025 | 36 | 41 |
| 2026 | 20 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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