B41J 2202/01
Embodiments of or processes related to ink-jet heads
B41J2202/01 (Embodiments of or processes related to ink-jet heads) appears on 9,122 US grants and 9,212 published applications in this corpus.
Search patents in B41J- Granted patents
- 9,122
- Published applications
- 9,212
- Assignees
- 569
- Inventors
- 6,917
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 12 | 0 |
| 1983 | 10 | 0 |
| 1984 | 9 | 0 |
| 1985 | 11 | 0 |
| 1986 | 13 | 0 |
| 1987 | 15 | 0 |
| 1988 | 16 | 0 |
| 1989 | 18 | 0 |
| 1990 | 31 | 0 |
| 1991 | 27 | 0 |
| 1992 | 35 | 0 |
| 1993 | 31 | 0 |
| 1994 | 21 | 0 |
| 1995 | 38 | 0 |
| 1996 | 47 | 0 |
| 1997 | 65 | 0 |
| 1998 | 121 | 0 |
| 1999 | 118 | 0 |
| 2000 | 187 | 0 |
| 2001 | 202 | 52 |
| 2002 | 264 | 229 |
| 2003 | 235 | 240 |
| 2004 | 225 | 456 |
| 2005 | 223 | 657 |
| 2006 | 359 | 467 |
| 2007 | 380 | 443 |
| 2008 | 416 | 529 |
| 2009 | 408 | 526 |
| 2010 | 511 | 416 |
| 2011 | 499 | 294 |
| 2012 | 290 | 240 |
| 2013 | 295 | 287 |
| 2014 | 317 | 246 |
| 2015 | 340 | 248 |
| 2016 | 230 | 257 |
| 2017 | 248 | 397 |
| 2018 | 317 | 413 |
| 2019 | 386 | 435 |
| 2020 | 405 | 488 |
| 2021 | 405 | 407 |
| 2022 | 325 | 352 |
| 2023 | 310 | 341 |
| 2024 | 275 | 298 |
| 2025 | 264 | 268 |
| 2026 | 157 | 226 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41J 2202/20ModulesIndexing code3,169
- B41J 2202/21Line printingIndexing code1,865
- B41J 2202/19Assembling head unitsIndexing code1,441
- B41J 2202/12With ink circulating through the whole print headIndexing code1,362
- B41J 2202/11Characterised by specific geometrical characteristicsIndexing code1,316
- B41J 2202/03Specific materials usedIndexing code974
- B41J 2202/13Heads having an integrated circuitIndexing code461
- B41J 2202/18Electrical connection established using viasIndexing code402
All 21 subgroupsShow fewer
- B41J 2202/08Dealing with thermal variationsIndexing code395
- B41J 2202/17Readable information on the headIndexing code309
- B41J 2202/15Moving nozzle or nozzle plateIndexing code289
- B41J 2202/09Ink jet technology used for manufacturing optical filtersIndexing code240
- B41J 2202/05Heads having a valveIndexing code226
- B41J 2202/10Finger type piezoelectric elementsIndexing code197
- B41J 2202/07Dealing with air bubblesIndexing code180
- B41J 2202/02Air-assisted ejectionIndexing code144
- B41J 2202/14Mounting head into the printerIndexing code121
- B41J 2202/16Nozzle heatersIndexing code119
- B41J 2202/22Manufacturing print headsIndexing code111
- B41J 2202/04Heads using conductive inkIndexing code89
- B41J 2202/06Heads merging droplets coming from the same nozzleIndexing code59
Recent patents
- Printing device, preferably a 3D printer6 Oct 2026US 12,752,482 B2Liqtra GmbH
- Liquid discharge head and liquid discharge apparatus6 Oct 2026US 12,752,531 B2Ricoh Company, Ltd.
- Inkjet apparatus and method of aligning the same6 Oct 2026US 12,752,534 B2Samsung Display Co., Ltd.
- Bubble stopper object for an ink-jet print head6 Oct 2026US 12,752,546 B2Sicpa Holding SA
- Liquid discharge apparatus, coating apparatus, liquid discharge method, and method of manufacturing electrode29 Sep 2026US 12,746,748 B2Ricoh Company, Ltd.
- Printing apparatus, control method, and storage medium8 Oct 2026US 2026/0307385 A1Canon Kabushiki Kaisha
- Method and System For Detecting and Classifying Air Pockets within Ink Supply Lines8 Oct 2026US 2026/0307397 A1Xerox Corporation
- Liquid droplet ejection device, liquid droplet ejection method, and non-transitory computer-readable storage device containing computer-executable instructions therefor1 Oct 2026US 2026/0295999 A1Brother Kogyo Kabushiki Kaisha
- Liquid ejecting head and liquid ejecting apparatus1 Oct 2026US 2026/0296004 A1Seiko Epson Corporation
- Liquid ejecting head and liquid ejecting apparatus1 Oct 2026US 2026/0296009 A1Seiko Epson Corporation
Most cited
By later US patents
- Droplet generating method and apparatus thereof1,847US 4,463,359 ACanon Kabushiki Kaisha · 1984
- Liquid jet recording process and liquid jet recording head1,557US 4,313,124 ACanon Kabushiki Kaisha · 1982
- Printhead incorporating a static pagewidth printhead1,463US 7,467,849 B2Silverbrook Research Pty Ltd · 2008
- Electronically addressable microencapsulated ink and display thereof597US 6,120,588 AE Ink Corporation · 2000
- Pagewidth thermal ink jet printhead554US 5,160,945 AXerox Corporation · 1992