A61B 5/4809
Sleep detection, i.e. determining whether a subject is asleep or not
Official title: {Sleep detection, i.e. determining whether a subject is asleep or not}
A61B5/4809 (Sleep detection, i.e. determining whether a subject is asleep or not) appears on 1,122 US grants and 1,964 published applications in this corpus.
Search patents in A61B- Granted patents
- 1,122
- Published applications
- 1,964
- Assignees
- 636
- Inventors
- 3,166
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 3 | 1 |
| 2003 | 5 | 4 |
| 2004 | 0 | 10 |
| 2005 | 0 | 16 |
| 2006 | 4 | 19 |
| 2007 | 9 | 18 |
| 2008 | 5 | 32 |
| 2009 | 10 | 10 |
| 2010 | 12 | 18 |
| 2011 | 14 | 23 |
| 2012 | 16 | 27 |
| 2013 | 30 | 34 |
| 2014 | 37 | 161 |
| 2015 | 52 | 115 |
| 2016 | 44 | 132 |
| 2017 | 73 | 119 |
| 2018 | 60 | 111 |
| 2019 | 93 | 153 |
| 2020 | 87 | 153 |
| 2021 | 105 | 150 |
| 2022 | 98 | 160 |
| 2023 | 101 | 141 |
| 2024 | 97 | 136 |
| 2025 | 89 | 115 |
| 2026 | 67 | 104 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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