B41J 2/14129
Layer structure
Official title: {Layer structure}
B41J2/14129 (Layer structure) appears on 1,047 US grants and 770 published applications in this corpus.
Search patents in B41J- Granted patents
- 1,047
- Published applications
- 770
- Assignees
- 91
- Inventors
- 1,178
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 18 | 0 |
| 1991 | 9 | 0 |
| 1992 | 14 | 0 |
| 1993 | 11 | 0 |
| 1994 | 7 | 0 |
| 1995 | 12 | 0 |
| 1996 | 18 | 0 |
| 1997 | 23 | 0 |
| 1998 | 33 | 0 |
| 1999 | 34 | 0 |
| 2000 | 52 | 0 |
| 2001 | 51 | 11 |
| 2002 | 68 | 54 |
| 2003 | 63 | 62 |
| 2004 | 37 | 43 |
| 2005 | 38 | 51 |
| 2006 | 33 | 49 |
| 2007 | 34 | 38 |
| 2008 | 23 | 37 |
| 2009 | 27 | 34 |
| 2010 | 27 | 31 |
| 2011 | 29 | 20 |
| 2012 | 21 | 11 |
| 2013 | 33 | 27 |
| 2014 | 16 | 22 |
| 2015 | 34 | 20 |
| 2016 | 28 | 33 |
| 2017 | 28 | 28 |
| 2018 | 22 | 30 |
| 2019 | 30 | 38 |
| 2020 | 27 | 21 |
| 2021 | 26 | 20 |
| 2022 | 18 | 31 |
| 2023 | 22 | 16 |
| 2024 | 17 | 15 |
| 2025 | 5 | 9 |
| 2026 | 12 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Liquid ejection device16 Jun 2026US 12,654,444 B2Canon Kabushiki Kaisha
- Liquid ejection head substrate and liquid ejection head16 Jun 2026US 12,654,466 B2Canon Kabushiki Kaisha
- Liquid discharge head substrate, liquid discharge head, and liquid discharge apparatus8 Oct 2026US 2026/0307387 A1Canon Kabushiki Kaisha
- Patterned print heads and resistive anodes for electrodeposition thickness distribution control3 Sep 2026US 2026/0257478 A1Lam Research Corporation
- Manufacturing method for semiconductor substrate, manufacturing method for liquid ejection head, semiconductor substrate, and liquid ejection head13 Aug 2026US 2026/0233519 A1Canon Kabushiki Kaisha
- Method for fabricating heating device13 Aug 2026US 2026/0233537 A1Innolux Corporation
- Liquid ejection apparatus, method for controlling liquid ejection apparatus, and storage medium25 Jun 2026US 2026/0175582 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Liquid jet recording process and liquid jet recording head1,557US 4,313,124 ACanon Kabushiki Kaisha · 1982
- Heat generating resistor containing tan0.8, substrate provided with said heat generating resistor for liquid jet head, liquid jet head provided with said substrate, and liquid jet apparatus provided with said liquid jet head540US 6,375,312 B1Canon Kabushiki Kaisha · 2002
- Ink delivery system for an inkjet printhead237US 5,278,584 AHewlett-Packard Company · 1994
- Inkjet printing apparatus with ink manifold232US 6,250,738 B1Hewlett-Packard Company · 2001
- Thermal jet recording apparatus213US 4,914,562 ASeiko Epson Corporation · 1990