B41J 2/14088
Structure of heating means
Official title: {Structure of heating means}
B41J2/14088 (Structure of heating means) appears on 1,683 US grants and 1,423 published applications in this corpus.
Search patents in B41J- Granted patents
- 1,683
- Published applications
- 1,423
- Assignees
- 166
- Inventors
- 1,641
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 18 | 0 |
| 1991 | 12 | 0 |
| 1992 | 19 | 0 |
| 1993 | 15 | 0 |
| 1994 | 7 | 0 |
| 1995 | 15 | 0 |
| 1996 | 20 | 0 |
| 1997 | 25 | 0 |
| 1998 | 39 | 0 |
| 1999 | 38 | 0 |
| 2000 | 60 | 0 |
| 2001 | 57 | 15 |
| 2002 | 90 | 81 |
| 2003 | 80 | 86 |
| 2004 | 59 | 108 |
| 2005 | 57 | 87 |
| 2006 | 70 | 110 |
| 2007 | 79 | 88 |
| 2008 | 67 | 78 |
| 2009 | 73 | 104 |
| 2010 | 86 | 81 |
| 2011 | 86 | 32 |
| 2012 | 40 | 15 |
| 2013 | 42 | 33 |
| 2014 | 26 | 36 |
| 2015 | 43 | 39 |
| 2016 | 48 | 51 |
| 2017 | 44 | 56 |
| 2018 | 43 | 52 |
| 2019 | 52 | 57 |
| 2020 | 54 | 44 |
| 2021 | 39 | 38 |
| 2022 | 34 | 43 |
| 2023 | 34 | 27 |
| 2024 | 30 | 21 |
| 2025 | 12 | 15 |
| 2026 | 15 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tunable nano-structured inkjet printed graphene via UV pulsed-laser irradiation for electrochemical sensing8 Sep 2026US 12,729,442 B1Iowa State University Research Foundation, Inc.
- Jet injection system25 Aug 2026US 12,715,212 B2Universiteit Twente
- Head board, liquid discharge head, and liquid discharge apparatus18 Aug 2026US 12,709,095 B2Canon Kabushiki Kaisha
- Substrate for liquid ejection head, liquid ejection head, and method for manufacturing substrate for liquid ejection head18 Aug 2026US 12,709,096 B2Canon Kabushiki Kaisha
- Liquid discharge head substrate, liquid discharge head, and liquid discharge apparatus30 Jun 2026US 12,668,056 B2Canon Kabushiki Kaisha
- Liquid discharge head substrate, liquid discharge head, and liquid discharge apparatus8 Oct 2026US 2026/0307387 A1Canon Kabushiki Kaisha
- Liquid ejection unit and method for manufacturing liquid ejection unit8 Oct 2026US 2026/0307389 A1Canon Kabushiki Kaisha
- Cleaning method for liquid ejection head10 Sep 2026US 2026/0264431 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
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 jet print device and print head or print apparatus using the same348US 6,019,457 ACanon Information Systems Research Australia Pty. Ltd. · 2000
- Method of fabricating bubblejet print devices using semiconductor fabrication techniques311US 5,841,452 ACanon Information Systems Research Australia Pty. Ltd. · 1998
- Ink delivery system for an inkjet printhead237US 5,278,584 AHewlett-Packard Company · 1994