B41J 2/1639
Sacrificial molding
Official title: {sacrificial molding}
B41J2/1639 (Sacrificial molding) appears on 1,874 US grants and 1,856 published applications in this corpus.
Search patents in B41J- Granted patents
- 1,874
- Published applications
- 1,856
- Assignees
- 103
- Inventors
- 808
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 11 | 0 |
| 1999 | 14 | 0 |
| 2000 | 24 | 0 |
| 2001 | 89 | 31 |
| 2002 | 73 | 57 |
| 2003 | 61 | 62 |
| 2004 | 65 | 181 |
| 2005 | 106 | 240 |
| 2006 | 167 | 170 |
| 2007 | 154 | 179 |
| 2008 | 163 | 205 |
| 2009 | 158 | 207 |
| 2010 | 173 | 148 |
| 2011 | 198 | 66 |
| 2012 | 85 | 56 |
| 2013 | 64 | 63 |
| 2014 | 41 | 32 |
| 2015 | 67 | 29 |
| 2016 | 26 | 18 |
| 2017 | 18 | 11 |
| 2018 | 12 | 23 |
| 2019 | 23 | 20 |
| 2020 | 14 | 16 |
| 2021 | 14 | 11 |
| 2022 | 12 | 6 |
| 2023 | 5 | 11 |
| 2024 | 5 | 6 |
| 2025 | 4 | 2 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing liquid ejection head and liquid ejection head25 Aug 2026US 12,715,216 B2Canon Kabushiki Kaisha
- Method for producing laminates and method for producing liquid discharge heads14 Apr 2026US 12,600,134 B2Canon Kabushiki Kaisha
- Recording element substrate and method of manufacturing the same30 Sep 2025US 12,427,769 B2Canon Kabushiki Kaisha
- Method for manufacturing microstructure including cured products of photosensitive resin compositions10 Jun 2025US 12,326,662 B2Canon Kabushiki Kaisha
- Liquid ejection head and production method for producing same11 Mar 2025US 12,246,535 B2Canon Kabushiki Kaisha
- Liquid discharge head substrate and liquid discharge head6 Aug 2026US 2026/0225365 A1Canon Kabushiki Kaisha
- Liquid ejection head, liquid ejection head substrate, and manufacturing method of liquid ejection head18 Jun 2026US 2026/0166880 A1Canon Kabushiki Kaisha
- Method for manufacturing liquid ejection head, and liquid ejection head4 Jun 2026US 2026/0153797 A1Canon Kabushiki Kaisha
- Method of manufacturing liquid ejection head, and liquid ejection head30 Apr 2026US 2026/0116071 A1Canon Kabushiki Kaisha
- Liquid ejection head and method for producing liquid ejection head9 Apr 2026US 2026/0097584 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Ink jet head and a method of manufacturing thereof420US 5,666,141 ASharp Kabushiki Kaisha · 1997
- Polymer-based micromachining for microfluidic devices351US 6,136,212 AThe Regents of the University of Michigan · 2000
- Document having an encoded data structure288US 7,234,645 B2Silverbrook Research Pty Ltd · 2007
- Wide format pagewidth inkjet printer287US 6,672,706 B2Silverbrook Research Pty Ltd · 2004
- High volume pagewidth printing238US 6,679,584 B2Silverbrook Research Pty Ltd · 2004