B41J 3/32
Typewriters or selective printing or marking mechanisms characterised by the purpose for
Official title: for printing in Braille or with keyboards specially adapted for use by blind or disabled persons
B41J3/32 (Typewriters or selective printing or marking mechanisms characterised by the purpose for) appears on 108 US grants and 109 published applications in this corpus.
Search patents in B41J- Granted patents
- 108
- Published applications
- 109
- Assignees
- 63
- Inventors
- 232
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 8 |
| 2006 | 1 | 21 |
| 2007 | 9 | 4 |
| 2008 | 7 | 5 |
| 2009 | 5 | 5 |
| 2010 | 3 | 2 |
| 2011 | 1 | 4 |
| 2012 | 0 | 8 |
| 2013 | 2 | 6 |
| 2014 | 5 | 3 |
| 2015 | 3 | 2 |
| 2016 | 2 | 0 |
| 2017 | 4 | 5 |
| 2018 | 6 | 7 |
| 2019 | 6 | 5 |
| 2020 | 3 | 6 |
| 2021 | 4 | 4 |
| 2022 | 4 | 3 |
| 2023 | 2 | 2 |
| 2024 | 0 | 1 |
| 2025 | 2 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Braille writing device17 Mar 2026US 12,579,906 B2
- Method and apparatus for producing embossed images and text9 Dec 2025US 12,491,708 B2ViewPlus Technologies, Inc.
- Braille printing method and system thereof11 Nov 2025US 12,466,207 B2Xi' An Jiaotong University
- System and method for providing artificial intelligence architectures to people with disabilities9 May 2023US 11,645,733 B2Bank of America Corporation
- Braille writing device14 Feb 2023US 11,580,880 B2
- Data generation apparatus, printing apparatus, control method, and storage medium4 Dec 2025US 2025/0367941 A1Canon Kabushiki Kaisha
- Information processing apparatus, storage medium, and test chart21 Aug 2025US 2025/0267233 A1Seiko Epson Corporation
- Apparatus, method, and storage medium12 Jun 2025US 2025/0187348 A1Canon Kabushiki Kaisha
- Inspection system for braille characters8 May 2025US 2025/0144907 A1Bobst Mex SA
- Method and apparatus for producing embossed images and text25 Jul 2024US 2024/0246332 A1ViewPlus Technologies, Inc.
Most cited
By later US patents
- 3D printing and forming of structures115US 6,164,850 A2000
- 3D printing and forming of structures47US 6,402,403 B12002
- Method and apparatus for applying a tactilely distinguishable marking on an article36US 5,702,559 AB & H Manufacturing Company, Inc. · 1997
- Method and apparatus for producing embossed images35US 5,823,691 AState of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University · 1998
- Article labeled by a labeling machine applying a tactilely distinguishable marking28US 5,753,350 AB & H Manufacturing Company, Inc. · 1998