B41J 2/32
Using thermal heads
Official title: using thermal heads
B41J2/32 (Using thermal heads) appears on 4,341 US grants and 2,986 published applications in this corpus.
Search patents in B41J- Granted patents
- 4,341
- Published applications
- 2,986
- Assignees
- 636
- Inventors
- 5,111
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 14 | 0 |
| 1978 | 13 | 0 |
| 1979 | 7 | 0 |
| 1980 | 16 | 0 |
| 1981 | 19 | 0 |
| 1982 | 20 | 0 |
| 1983 | 35 | 0 |
| 1984 | 38 | 0 |
| 1985 | 72 | 0 |
| 1986 | 73 | 0 |
| 1987 | 82 | 0 |
| 1988 | 82 | 0 |
| 1989 | 75 | 0 |
| 1990 | 66 | 0 |
| 1991 | 67 | 0 |
| 1992 | 79 | 0 |
| 1993 | 79 | 0 |
| 1994 | 80 | 0 |
| 1995 | 89 | 0 |
| 1996 | 120 | 0 |
| 1997 | 108 | 0 |
| 1998 | 132 | 0 |
| 1999 | 112 | 0 |
| 2000 | 111 | 0 |
| 2001 | 112 | 58 |
| 2002 | 136 | 86 |
| 2003 | 82 | 80 |
| 2004 | 90 | 108 |
| 2005 | 71 | 112 |
| 2006 | 74 | 132 |
| 2007 | 67 | 105 |
| 2008 | 92 | 90 |
| 2009 | 58 | 87 |
| 2010 | 60 | 93 |
| 2011 | 89 | 94 |
| 2012 | 100 | 101 |
| 2013 | 129 | 110 |
| 2014 | 119 | 134 |
| 2015 | 135 | 117 |
| 2016 | 146 | 147 |
| 2017 | 162 | 171 |
| 2018 | 140 | 211 |
| 2019 | 180 | 163 |
| 2020 | 141 | 141 |
| 2021 | 116 | 133 |
| 2022 | 78 | 126 |
| 2023 | 106 | 108 |
| 2024 | 101 | 95 |
| 2025 | 88 | 100 |
| 2026 | 57 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optimal alignment of a printhead in a thermal printing apparatus22 Sep 2026US 12,741,474 B2Hand Held Products, Inc.
- Printer having replaceable print head15 Sep 2026US 12,734,838 B2
- Portable printer15 Sep 2026US 12,734,839 B2Xiamen Hanin Electronic Technology Co., Ltd.
- Thermal print head8 Sep 2026US 12,728,647 B2Rohm Co., Ltd.
- Personalized identification document processing systems and methods1 Sep 2026US 12,722,399 B2Entrust Corporation
- Image processing apparatus, printer, and non-transitory storage medium8 Oct 2026US 2026/0307398 A1Etria Co., Ltd.
- Media Application System with a Moveable Platen Assembly for Autonomous Media Replenishment8 Oct 2026US 2026/0307404 A1Zebra Technologies Corporation
- Thermal print head and thermal printer1 Oct 2026US 2026/0296050 A1Rohm Co., Ltd.
- Thermal print head1 Oct 2026US 2026/0296051 A1Rohm Co., Ltd.
- Methods for Darkness Calibration and Darkness Calibrating Media Processing Devices1 Oct 2026US 2026/0296052 A1Zebra Technologies Corporation
Most cited
By later US patents
- Mobile printer with optional battery accessory541US 8,723,904 B2Intermec IP Corp. · 2014
- Media gate for thermal transfer printers411US 9,375,945 B1Hand Held Products, Inc. · 2016
- Recording apparatus, recording head and substrate therefor158US 6,290,334 B1Canon Kabushiki Kaisha · 2001
- Method and system to calculate line feed error in labels on a printer154US 9,701,140 B1Datamax-O'Neil Corporation · 2017
- Thermal-ink heater array using rectifying material153US 5,414,245 AHewlett-Packard Company · 1995