B41J 2/1606
Coating the nozzle area or the ink chamber
Official title: {Coating the nozzle area or the ink chamber}
B41J2/1606 (Coating the nozzle area or the ink chamber) appears on 637 US grants and 637 published applications in this corpus.
Search patents in B41J- Granted patents
- 637
- Published applications
- 637
- Assignees
- 99
- Inventors
- 1,077
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 16 | 0 |
| 1999 | 9 | 0 |
| 2000 | 14 | 0 |
| 2001 | 15 | 4 |
| 2002 | 22 | 15 |
| 2003 | 19 | 28 |
| 2004 | 18 | 15 |
| 2005 | 9 | 34 |
| 2006 | 12 | 38 |
| 2007 | 16 | 32 |
| 2008 | 31 | 45 |
| 2009 | 28 | 29 |
| 2010 | 32 | 36 |
| 2011 | 41 | 38 |
| 2012 | 30 | 27 |
| 2013 | 33 | 37 |
| 2014 | 39 | 31 |
| 2015 | 32 | 22 |
| 2016 | 22 | 22 |
| 2017 | 22 | 21 |
| 2018 | 11 | 12 |
| 2019 | 19 | 27 |
| 2020 | 21 | 16 |
| 2021 | 12 | 12 |
| 2022 | 14 | 19 |
| 2023 | 10 | 16 |
| 2024 | 11 | 22 |
| 2025 | 20 | 22 |
| 2026 | 6 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for manufacturing display devices29 Sep 2026US 12,746,754 B2Samsung Display Co., Ltd.
- Stabilizing additive for pigmented inkjet inks and methods of use28 Jul 2026US 12,692,404 B1
- Coating head5 May 2026US 12,617,204 B2Panasonic Intellectual Property Management Co., Ltd.
- Ejection head nozzle flooding control14 Apr 2026US 12,600,130 B2Brady Worldwide, Inc.
- Liquid discharge head and liquid discharge apparatus17 Feb 2026US 12,552,162 B2Ricoh Company, Ltd.
- Apparatus and method for manufacturing display apparatus and electronic device including the display apparatus1 Oct 2026US 2026/0305150 A1Samsung Display Co., Ltd.
- Method of manufacturing nozzle plate and nozzle plate13 Aug 2026US 2026/0233525 A1Seiko Epson Corporation
- Method of forming coating layer on inkjet head and method of ejecting ink using the inkjet head13 Aug 2026US 2026/0239867 A1Samsung Display Co., Ltd.
- Inkjet printing head, inkjet printing device including the same, and method for manufacturing the inkjet printing head9 Jul 2026US 2026/0192564 A1Samsung Display Co., Ltd.
- Nozzle plate, liquid discharge head, and image forming apparatus2 Jul 2026US 2026/0184076 A1
Most cited
By later US patents
- Ink jet recording device using thermal propulsion and mechanical pressure changes161US 4,296,421 ACanon Kabushiki Kaisha · 1981
- Ink jet head and manufacturing method thereof, and ink jet apparatus with ink jet head130US 5,208,604 ACanon Kabushiki Kaisha · 1993
- Ink jet recording head119US 4,368,476 ACanon Kabushiki Kaisha · 1983
- Hydrophilic ink passage100US 5,751,313 ASeiko Epson Corporation · 1998
- Ink jet printer and method for fabricating a nozzle member89US 4,728,392 AMatsushita Electric Industrial Co., Ltd. · 1988