G09B 21/002
Writing aids for blind persons
Official title: {Writing aids for blind persons (devices for Braille writing G09B21/02)}
G09B21/002 (Writing aids for blind persons) appears on 30 US grants and 35 published applications in this corpus.
Search patents in G09B- Granted patents
- 30
- Published applications
- 35
- Assignees
- 21
- Inventors
- 87
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 0 | 3 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 2 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 3 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 4 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for accessible computer-user scenarios28 Apr 2026US 12,614,472 B2Roblox Corporation
- Universal method of writing using a multipurpose keypad16 Jul 2024US 12,039,110 B1
- Tactile and visual display with a paired, active stylus27 Feb 2024US 11,915,606 B2
- Computer system for providing tactile interface for real-time two-dimensional tactile input/output interaction of visually impaired people, and operating method thereof2 Jan 2024US 11,861,066 B2Korea Advanced Institute of Science and Technology
- Method for inputting and outputting a text consisting of characters11 Apr 2023US 11,625,105 B2Caretec International GmbH
- Wearable haptic feedback device7 May 2026US 2026/0124074 A1University of Utah Research Foundation
- Morphable surface26 Dec 2024US 2024/0427447 A1
- Alternative Braille Communication Device30 Nov 2023US 2023/0386362 A1
- Tactile drawing and writing apparatus for the visually impaired16 Nov 2023US 2023/0368700 A1Touchpad Pro Assistive Technology LLC
- Systems and methods for accessible computer-user scenarios22 Jun 2023US 2023/0196937 A1Roblox Corporation
Most cited
By later US patents
- Data input device151US 6,650,318 B1VKB Inc. · 2003
- Mobile lottery terminal including features facilitating use by visually impaired ticket agents90US 7,590,950 B2GTECH Rhode Island Corporation · 2009
- Method for transferring characters especially to a computer and an input device which functions according to this method56US 6,580,414 B12003
- 8-bit binary code for use as an 8-dot braille arrangement and data entry system and method for 8-key chordic binary keyboards20US 5,993,089 A1999
- Displaying information on keys of a keyboard12US 6,961,048 B2Sun Microsystems, Inc. · 2005