B41J 2/385
Typewriters or selective printing mechanisms characterised by the printing or marking process
Official title: characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material (B41J2/005 takes precedence)
B41J2/385 (Typewriters or selective printing mechanisms characterised by the printing or marking process) appears on 738 US grants and 179 published applications in this corpus.
Search patents in B41J- Granted patents
- 738
- Published applications
- 179
- Assignees
- 171
- Inventors
- 1,020
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 22 | 0 |
| 1980 | 10 | 0 |
| 1981 | 14 | 0 |
| 1982 | 9 | 0 |
| 1983 | 26 | 0 |
| 1984 | 11 | 0 |
| 1985 | 25 | 0 |
| 1986 | 8 | 0 |
| 1987 | 12 | 0 |
| 1988 | 21 | 0 |
| 1989 | 13 | 0 |
| 1990 | 18 | 0 |
| 1991 | 25 | 0 |
| 1992 | 28 | 0 |
| 1993 | 25 | 0 |
| 1994 | 18 | 0 |
| 1995 | 16 | 0 |
| 1996 | 18 | 0 |
| 1997 | 21 | 0 |
| 1998 | 39 | 0 |
| 1999 | 43 | 0 |
| 2000 | 67 | 0 |
| 2001 | 40 | 3 |
| 2002 | 28 | 16 |
| 2003 | 14 | 8 |
| 2004 | 7 | 8 |
| 2005 | 3 | 7 |
| 2006 | 7 | 6 |
| 2007 | 3 | 5 |
| 2008 | 3 | 6 |
| 2009 | 2 | 3 |
| 2010 | 7 | 3 |
| 2011 | 3 | 5 |
| 2012 | 1 | 10 |
| 2013 | 6 | 9 |
| 2014 | 15 | 11 |
| 2015 | 9 | 11 |
| 2016 | 14 | 8 |
| 2017 | 9 | 15 |
| 2018 | 12 | 7 |
| 2019 | 7 | 10 |
| 2020 | 7 | 5 |
| 2021 | 7 | 5 |
| 2022 | 3 | 8 |
| 2023 | 1 | 3 |
| 2024 | 7 | 3 |
| 2025 | 2 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41J 2/41For electrostatic printing410
- B41J 2/39Using multi-stylus heads164
- B41J 2/425For removing surface layer selectively from electro-sensitive material50
- B41J 2/43For magnetic printing49
- B41J 2/42For heating selectively12
- B41J 2/3855Electrographic print heads using processes not otherwise provided for8
Recent patents
- Exposure apparatus and image-forming apparatus8 Sep 2026US 12,730,391 B2Canon Kabushiki Kaisha
- Printing method and printing apparatus for improving visibility and printed matter printed using the printing method15 Apr 2025US 12,275,250 B2Societe BIC
- Continuous ink jet printer and print head assembly therefor25 Feb 2025US 12,233,646 B2Linx Printing Technologies Limited
- Light scanning apparatus and image forming apparatus including the same17 Dec 2024US 12,169,372 B2Canon Kabushiki Kaisha
- Inkjet printing apparatus and method for aligning dipoles25 Jun 2024US 12,017,465 B2Samsung Display Co., Ltd.
- Image forming apparatus28 Aug 2025US 2025/0271785 A1Canon Kabushiki Kaisha
- Detection baseboard and control method thereof, detection device, and printing device13 Mar 2025US 2025/0085648 A1Beijing BOE Technology Development Co., Ltd.
- Light scanning apparatus and image forming apparatus including the same6 Mar 2025US 2025/0076780 A1Canon Kabushiki Kaisha
- Exposure apparatus and image-forming apparatus30 Jan 2025US 2025/0036039 A1Canon Kabushiki Kaisha
- Electrostatic Printing of Cyclodextrin Compositions19 Dec 2024US 2024/0415783 A1Verdant Technologies, LLC
Most cited
By later US patents
- Image forming device having sheet conveyance device126US 5,473,352 ABrother Kogyo Kabushiki Kaisha · 1995
- Method for producing a latent electric charge pattern and a device for performing the method114US 5,036,341 AOve Larsson Production AB · 1991
- Direct write# system110US 7,658,163 B2Optomec Design Company · 2010
- Image recording method and apparatus99US 4,491,855 ACanon Kabushiki Kaisha · 1985
- High precision charge imaging cartridge96US 5,315,324 ADelphax Systems · 1994