B41J 2/195
For monitoring ink quality
Official title: for monitoring ink quality
B41J2/195 (For monitoring ink quality) appears on 518 US grants and 467 published applications in this corpus.
Search patents in B41J- Granted patents
- 518
- Published applications
- 467
- Assignees
- 140
- Inventors
- 1,164
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 12 | 0 |
| 2000 | 23 | 0 |
| 2001 | 13 | 2 |
| 2002 | 8 | 17 |
| 2003 | 15 | 6 |
| 2004 | 10 | 10 |
| 2005 | 4 | 9 |
| 2006 | 6 | 12 |
| 2007 | 10 | 12 |
| 2008 | 8 | 16 |
| 2009 | 7 | 16 |
| 2010 | 13 | 16 |
| 2011 | 14 | 16 |
| 2012 | 14 | 13 |
| 2013 | 19 | 20 |
| 2014 | 21 | 13 |
| 2015 | 11 | 9 |
| 2016 | 10 | 12 |
| 2017 | 11 | 20 |
| 2018 | 17 | 32 |
| 2019 | 26 | 38 |
| 2020 | 40 | 31 |
| 2021 | 22 | 42 |
| 2022 | 25 | 25 |
| 2023 | 24 | 17 |
| 2024 | 15 | 14 |
| 2025 | 11 | 23 |
| 2026 | 10 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Luminescent ink and ceramic product with a label printed with luminescent ink22 Sep 2026US 12,742,087 B2AsociacióN De InvestigacióN De Las Industrias Ceramicas (Aice)
- Method and system for detecting and classifying air pockets within ink supply lines1 Sep 2026US 12,722,394 B2Xerox Corporation
- Monitoring printing fluid7 Jul 2026US 12,673,504 B2Hewlett-Packard Development Company, L. P.
- Recording apparatus and method of reading recorded image in recording apparatus23 Jun 2026US 12,661,909 B2Seiko Epson Corporation
- Inkjet recording apparatus and inkjet recording apparatus management method24 Mar 2026US 12,583,232 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Method and System For Detecting and Classifying Air Pockets within Ink Supply Lines8 Oct 2026US 2026/0307397 A1Xerox Corporation
- Inkjet Printer and Printing System of Inkjet Printer1 Oct 2026US 2026/0296000 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Method and system for addressing ink batch varability in inkjet printing1 Oct 2026US 2026/0296037 A1Xerox Corporation
- Liquid storage tank, liquid circulation device, recording apparatus including liquid circulation device, and liquid storage tank group1 Oct 2026US 2026/0296045 A1KYOCERA Corporation
- Method and system for detecting ink batches that degrade print quality in inkjet printing1 Oct 2026US 2026/0296047 A1Xerox 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
- 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
- Printer and printing cartridge therefor215US 6,019,461 AOki Data Corporation · 2000
- Method for preventing non-discharge in a liquid jet recorder and a liquid jet recorder149US 4,712,172 ACanon Kabushiki Kaisha · 1987
- Off-carrier inkjet print supply with memory145US 6,155,664 ALexmark International, Inc. · 2000