B41J 2/2121
Characterised by dot size
Official title: {characterised by dot size, e.g. combinations of printed dots of different diameter}
B41J2/2121 (Characterised by dot size) appears on 736 US grants and 571 published applications in this corpus.
Search patents in B41J- Granted patents
- 736
- Published applications
- 571
- Assignees
- 142
- Inventors
- 1,160
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 19 | 0 |
| 2000 | 41 | 0 |
| 2001 | 37 | 10 |
| 2002 | 36 | 26 |
| 2003 | 31 | 19 |
| 2004 | 21 | 25 |
| 2005 | 18 | 27 |
| 2006 | 14 | 33 |
| 2007 | 15 | 27 |
| 2008 | 31 | 40 |
| 2009 | 22 | 21 |
| 2010 | 30 | 28 |
| 2011 | 16 | 22 |
| 2012 | 26 | 21 |
| 2013 | 33 | 34 |
| 2014 | 37 | 18 |
| 2015 | 26 | 13 |
| 2016 | 20 | 11 |
| 2017 | 12 | 21 |
| 2018 | 16 | 20 |
| 2019 | 21 | 15 |
| 2020 | 25 | 28 |
| 2021 | 16 | 21 |
| 2022 | 13 | 17 |
| 2023 | 19 | 15 |
| 2024 | 13 | 12 |
| 2025 | 11 | 32 |
| 2026 | 3 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for adjusting inkjet printer, program, and printing system1 Sep 2026US 12,722,395 B2Mimaki Engineering Co., Ltd.
- Printing apparatus and print control method30 Jun 2026US 12,668,067 B2SCREEN Holdings Co., Ltd.
- Liquid discharge apparatus, liquid discharge method, and method for producing head unit16 Jun 2026US 12,654,442 B2Ricoh Company, Ltd.
- Liquid droplet discharging apparatus30 Dec 2025US 12,508,815 B2Brother Kogyo Kabushiki Kaisha
- Printing apparatus30 Dec 2025US 12,508,816 B2Brother Kogyo Kabushiki Kaisha
- Information processing apparatus, information processing method, and non-transitory recording medium24 Sep 2026US 2026/0289210 A1
- Printer calibration mechanism27 Aug 2026US 2026/0252835 A1Ricoh Company, Ltd.
- Liquid discharge apparatus, liquid discharge system, liquid discharge method, and storage medium20 Aug 2026US 2026/0241705 A1
- Printhead for an inkjet printer, in particular coating print media30 Jul 2026US 2026/0217025 A1Durst Group AG
- Printing device, printing method, and non-transitory computer readable storage medium4 Jun 2026US 2026/0152010 A1Brother Kogyo Kabushiki Kaisha
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 printhead for continuous tone and text printing215US 5,412,410 AXerox Corporation · 1995