A61H 3/06
Walking aids for blind persons
Official title: Walking aids for blind persons (replacing direct visual perception by another kind of perception A61F9/08)
A61H3/06 (Walking aids for blind persons) appears on 451 US grants and 528 published applications in this corpus.
Search patents in A61H- Granted patents
- 451
- Published applications
- 528
- Assignees
- 253
- Inventors
- 1,079
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 1 |
| 2003 | 2 | 7 |
| 2004 | 3 | 7 |
| 2005 | 9 | 10 |
| 2006 | 5 | 10 |
| 2007 | 4 | 8 |
| 2008 | 2 | 11 |
| 2009 | 2 | 11 |
| 2010 | 8 | 14 |
| 2011 | 3 | 11 |
| 2012 | 5 | 15 |
| 2013 | 12 | 35 |
| 2014 | 14 | 23 |
| 2015 | 25 | 25 |
| 2016 | 26 | 32 |
| 2017 | 31 | 40 |
| 2018 | 34 | 42 |
| 2019 | 33 | 24 |
| 2020 | 36 | 30 |
| 2021 | 26 | 34 |
| 2022 | 25 | 39 |
| 2023 | 23 | 36 |
| 2024 | 21 | 26 |
| 2025 | 27 | 22 |
| 2026 | 13 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Augmented reality panorama systems and methods22 Sep 2026US 12,740,913 B2Nant Holdings IP, LLC
- Visual assistance system22 Sep 2026US 12,745,058 B2
- Providing enhanced images for navigation11 Aug 2026US 12,702,615 B2Mentor Acquisition One, LLC
- Movement supporting device, movement supporting method, and program14 Jul 2026US 12,678,363 B2OMRON Corporation
- Ergonomic handle for a probing cane23 Jun 2026US 12,660,897 B2Smart Guider, Inc.
- System and methods to improve orientation and mobility of the visually impaired24 Sep 2026US 2026/0283891 A1
- System17 Sep 2026US 2026/0272758 A1SoftBank Group Corp.
- Smart sensing mobility cane20 Aug 2026US 2026/0240711 A1
- Dangerous area notification apparatus20 Aug 2026US 2026/0247068 A1NTT, Inc.
- Wearable device for visual assistance, particularly for blind and/or visually impaired people6 Aug 2026US 2026/0224430 A1iVision Tech Inc.
Most cited
By later US patents
- System and method for tracking a pedestrian581US 5,470,233 AArkenstone, Inc. · 1995
- Augmented reality panorama supporting visually impaired individuals191US 8,605,141 B2Nant Holdings IP, LLC · 2013
- Mobility guide tile for visually handicapped168US 4,715,743 A1987
- Intelligent vehicle apparatus and method for using the apparatus122US 7,042,345 B22006
- Intelligent walking stick103US 5,973,618 A1999