A61M 2021/0033
Subsonic
Official title: {subsonic}
A61M2021/0033 (Subsonic) appears on 62 US grants and 76 published applications in this corpus.
Search patents in A61M- Granted patents
- 62
- Published applications
- 76
- Assignees
- 48
- Inventors
- 123
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 2 | 3 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 4 | 3 |
| 2019 | 0 | 5 |
| 2020 | 1 | 4 |
| 2021 | 1 | 6 |
| 2022 | 9 | 12 |
| 2023 | 8 | 13 |
| 2024 | 3 | 9 |
| 2025 | 7 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for continuously recording intracranial b waves using doppler ultrasound to track and enhance the sleep surge in glymphatic flow to prevent cognitive decline and alzheimer's disease8 Sep 2026US 12,728,292 B2
- Device, method, and app for facilitating sleep12 May 2026US 12,623,047 B2NeuroLight, Inc.
- Neurostimulation-based neurofeedback device using brain waves and heartbeat signals5 May 2026US 12,616,835 B2NeuroTx Co., Ltd
- Noninvasive wearable device for remote vital sign monitoring and autonomic nervous system regulation using vibratory and auditory stimulation16 Dec 2025US 12,496,424 B1
- Sleep tracking method and device14 Oct 2025US 12,443,157 B2Proactive Life Inc.
- System and method for continuously recording intracranial b waves using doppler ultrasound to track and enhance the sleep surge in glymphatic flow to prevent cognitive decline and alzheimer's disease2 Jul 2026US 2026/0183575 A1
- Noninvasive wearable device for remote vital sign monitoring and autonomic nervous system regulation using vibratory and auditory stimulation16 Apr 2026US 2026/0102583 A1
- Sleep Tracking Method and Device5 Feb 2026US 2026/0036958 A1
- Noninvasive wearable device for remote vital sign monitoring and autonomic nervous system regulation using vibratory and auditory stimulation18 Dec 2025US 2025/0381361 A1
- Digital soundscapes for augmenting psychotropic therapies18 Dec 2025US 2025/0381365 A1
Most cited
By later US patents
- System for treating patients with anxiety disorders153US 5,807,114 AEmory University and Georgia Tech Research Corporation · 1998
- Method and apparatus for changing brain wave frequency95US 5,036,858 A1991
- Virtual reality system for treating patients with anxiety disorders85US 6,012,926 AEmory University · 2000
- Device for measuring organism condition85US 6,547,728 B12003
- Method of and apparatus for inducing desired states of consciousness46US 5,356,368 AInterstate Industries, Inc. · 1994