B41J 2/21
For multi-colour printing
Official title: for multi-colour printing
B41J2/21 (For multi-colour printing) appears on 7,154 US grants and 7,391 published applications in this corpus.
Search patents in B41J- Granted patents
- 7,154
- Published applications
- 7,391
- Assignees
- 659
- Inventors
- 7,657
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 12 | 0 |
| 1986 | 14 | 0 |
| 1987 | 15 | 0 |
| 1988 | 9 | 0 |
| 1989 | 12 | 0 |
| 1990 | 17 | 0 |
| 1991 | 15 | 0 |
| 1992 | 21 | 0 |
| 1993 | 16 | 0 |
| 1994 | 16 | 0 |
| 1995 | 17 | 0 |
| 1996 | 36 | 0 |
| 1997 | 45 | 0 |
| 1998 | 75 | 0 |
| 1999 | 87 | 0 |
| 2000 | 153 | 0 |
| 2001 | 170 | 35 |
| 2002 | 206 | 162 |
| 2003 | 172 | 200 |
| 2004 | 149 | 160 |
| 2005 | 125 | 299 |
| 2006 | 146 | 201 |
| 2007 | 166 | 190 |
| 2008 | 183 | 237 |
| 2009 | 164 | 255 |
| 2010 | 205 | 256 |
| 2011 | 218 | 281 |
| 2012 | 193 | 353 |
| 2013 | 291 | 347 |
| 2014 | 424 | 298 |
| 2015 | 462 | 343 |
| 2016 | 367 | 313 |
| 2017 | 324 | 364 |
| 2018 | 277 | 395 |
| 2019 | 371 | 366 |
| 2020 | 366 | 386 |
| 2021 | 296 | 382 |
| 2022 | 274 | 342 |
| 2023 | 294 | 352 |
| 2024 | 269 | 375 |
| 2025 | 267 | 284 |
| 2026 | 184 | 215 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Printing apparatus, printing method, and program6 Oct 2026US 12,752,547 B2Canon Kabushiki Kaisha
- Inkjet printing device6 Oct 2026US 12,752,549 B2Makeblock Co., Ltd.
- Multiple layered structure and transfer method for applying a design to fabric or cloth6 Oct 2026US 12,752,564 B2Ready, Set, Co., LLC
- Deaeration apparatus, inkjet recording apparatus, deaeration method, and storage medium29 Sep 2026US 12,746,759 B2Konica Minolta, Inc.
- Inkjet printer29 Sep 2026US 12,746,760 B2Brother Kogyo Kabushiki Kaisha
- Printed documents readily identifying indicia printing defects8 Oct 2026US 2026/0306937 A1Brightstar Global Solutions Corporation
- Inspection method and coating apparatus8 Oct 2026US 2026/0307390 A1
- Printing apparatus8 Oct 2026US 2026/0307405 A1Konica Minolta, Inc.
- Fixing method and printing apparatus8 Oct 2026US 2026/0307417 A1Canon Kabushiki Kaisha
- Print apparatus and adjustment method thereof1 Oct 2026US 2026/0295991 A1Seiko Epson Corporation
Most cited
By later US patents
- Bubble jet recording method and apparatus in which a heating element generates bubbles in a liquid flow path to project droplets2,047US 4,723,129 ACanon Kabushiki Kaisha · 1988
- Droplet generating method and apparatus thereof1,847US 4,463,359 ACanon Kabushiki Kaisha · 1984
- Bubble jet recording method and apparatus in which a heating element generates bubbles in multiple liquid flow paths to project droplets1,733US 4,740,796 ACanon Kabushiki Kaisha · 1988
- Method and apparatus for recording with writing fluids and drop projection means therefor528US 3,946,398 ASilonics, Inc. · 1976
- Ink-jet printer equipped for aligning the printheads243US 6,554,398 B2Agfa-Gevaert · 2003