G09B 21/04
Devices for conversing with the deaf-blind
G09B21/04 (Devices for conversing with the deaf-blind) appears on 74 US grants and 66 published applications in this corpus.
Search patents in G09B- Granted patents
- 74
- Published applications
- 66
- Assignees
- 36
- Inventors
- 143
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 3 | 4 |
| 2014 | 0 | 1 |
| 2015 | 3 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 14 |
| 2019 | 7 | 4 |
| 2020 | 11 | 3 |
| 2021 | 6 | 3 |
| 2022 | 3 | 3 |
| 2023 | 6 | 7 |
| 2024 | 6 | 5 |
| 2025 | 2 | 3 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steerable camera for AR hand tracking18 Aug 2026US 12,710,828 B2Snap Inc.
- Sign-language translation11 Aug 2026US 12,705,931 B2Sorenson IP Holdings, LLC
- Methods to assist verbal communication for both listeners and speakers2 Jun 2026US 12,646,421 B2
- Automatic translation between sign language and spoken language7 Apr 2026US 12,597,365 B2Sorenson IP Holdings, LLC
- Realtime AI sign language recognition6 Jan 2026US 12,518,653 B2Sign-Speak Inc.
- System17 Sep 2026US 2026/0279346 A1SoftBank Group Corp.
- Method, apparatus, and program for assisting conversation27 Aug 2026US 2026/0253512 A1Riso Kagaku Corporation
- Realtime ai sign language recognition2 Jul 2026US 2026/0188141 A1Sign-Speak Inc.
- Self-centering user interface for inputting information14 May 2026US 2026/0134762 A1Block, Inc.
- Information conversion system, information processing apparatus, information processing method, information conversion method, and storage medium15 Jan 2026US 2026/0018174 A1
Most cited
By later US patents
- Communication system for deaf, deaf-blind, or non-vocal individuals using instrumented glove258US 5,047,952 AThe Board of Trustee of the Leland Stanford Junior University · 1991
- Strain-sensing goniometers, systems and recognition algorithms154US 5,280,265 AThe Board of Trustees of the Leland Stanford Junior University · 1994
- Strain-sensing goniometers, systems, and recognition algorithms135US 6,701,296 B12004
- Strain-sensing goniometers, systems and recognition algorithms122US 5,813,406 AThe Board of Trustees of the Leland Stanford Junior University · 1998
- Apparatus for converting visual images into tactile representations for use by a person who is visually impaired80US 5,636,038 A1997