G09B 21/004
Details of particular tactile cells
Official title: {Details of particular tactile cells, e.g. electro-mechanical or mechanical layout}
G09B21/004 (Details of particular tactile cells) appears on 273 US grants and 319 published applications in this corpus.
Search patents in G09B- Granted patents
- 273
- Published applications
- 319
- Assignees
- 172
- Inventors
- 651
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 3 |
| 2004 | 4 | 7 |
| 2005 | 5 | 6 |
| 2006 | 4 | 3 |
| 2007 | 1 | 3 |
| 2008 | 4 | 6 |
| 2009 | 3 | 6 |
| 2010 | 4 | 4 |
| 2011 | 2 | 4 |
| 2012 | 0 | 7 |
| 2013 | 6 | 10 |
| 2014 | 7 | 13 |
| 2015 | 8 | 17 |
| 2016 | 12 | 13 |
| 2017 | 13 | 18 |
| 2018 | 20 | 49 |
| 2019 | 28 | 26 |
| 2020 | 32 | 31 |
| 2021 | 22 | 23 |
| 2022 | 28 | 21 |
| 2023 | 18 | 15 |
| 2024 | 15 | 16 |
| 2025 | 10 | 12 |
| 2026 | 12 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Information output device and method21 Jul 2026US 12,688,794 B2Dot Incorporation
- Apparatus and method for outputting information14 Jul 2026US 12,682,785 B2Dot Incorporation
- Outputting braille or subtitles using computer game controller23 Jun 2026US 12,661,583 B2Sony Interactive Entertainment Inc.
- Orientation assistance system comprising means for acquiring a real or virtual visual environment, non-visual human-machine interface means and means for processing the digital representation of said visual environment5 May 2026US 12,619,313 B2Artha France
- Orientation assistance system3 Mar 2026US 12,567,341 B2Artha France
- Tactile-enhanced display6 Aug 2026US 2026/0229098 A1The Regents of the University of California
- Information output device18 Jun 2026US 2026/0170973 A1Dot Incorporation
- Method and apparatus for conveying spatial information of surroundings14 May 2026US 2026/0133638 A1ForSight Assistive Devices, LLC
- Braille display cell system14 May 2026US 2026/0134796 A1Thinkerbell Labs Private Limited
- Interactive tactile graphic and braille display system and method of use5 Feb 2026US 2026/0038390 A1
Most cited
By later US patents
- Method, system and program for topographical interfacing114US 6,509,892 B1International Business Machines Corporation · 2003
- Electroactive polymer actuator braille cell and braille display87US 6,881,063 B22005
- Tactile display device and touch panel apparatus with tactile display function using electrorheological fluid78US 7,589,714 B2Pioneer Corporation · 2009
- Method and apparatus for providing haptic feedback utilizing multi-actuated waveform phasing70US 8,593,409 B1Immersion Corporation · 2013
- Element with expansible relief60US 6,877,986 B2Commissariat A L' Energie Atomique · 2005