B41M 5/34
Multicolour thermography
B41M5/34 (Multicolour thermography) appears on 532 US grants and 340 published applications in this corpus.
Search patents in B41M- Granted patents
- 532
- Published applications
- 340
- Assignees
- 154
- Inventors
- 853
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 9 | 0 |
| 1986 | 12 | 0 |
| 1987 | 10 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 11 | 0 |
| 1993 | 18 | 0 |
| 1994 | 14 | 0 |
| 1995 | 15 | 0 |
| 1996 | 20 | 0 |
| 1997 | 18 | 0 |
| 1998 | 21 | 0 |
| 1999 | 26 | 0 |
| 2000 | 27 | 0 |
| 2001 | 22 | 16 |
| 2002 | 20 | 16 |
| 2003 | 15 | 28 |
| 2004 | 21 | 30 |
| 2005 | 21 | 23 |
| 2006 | 11 | 15 |
| 2007 | 12 | 11 |
| 2008 | 5 | 17 |
| 2009 | 9 | 16 |
| 2010 | 10 | 6 |
| 2011 | 8 | 9 |
| 2012 | 8 | 8 |
| 2013 | 10 | 12 |
| 2014 | 8 | 13 |
| 2015 | 12 | 14 |
| 2016 | 14 | 8 |
| 2017 | 11 | 5 |
| 2018 | 9 | 13 |
| 2019 | 10 | 9 |
| 2020 | 7 | 11 |
| 2021 | 7 | 16 |
| 2022 | 9 | 13 |
| 2023 | 8 | 10 |
| 2024 | 8 | 8 |
| 2025 | 11 | 9 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-layered revealable substrates and methods of producing and using said multi-layered substrates5 May 2026US 12,617,224 B2Virtual Graphics, LLC
- Security document comprising a perforated opaque layer with a white appearance above a matrix of coloured sub-pixels17 Feb 2026US 12,552,194 B2Idemia Identity & Security France
- Drawing system and drawing method11 Nov 2025US 12,466,196 B2Sony Group Corporation
- Thermal transfer medium and information recording body4 Nov 2025US 12,459,282 B2Toppan Inc.
- Printed product and method of producing printed product4 Nov 2025US 12,459,283 B2Canon Kabushiki Kaisha
- Multi-layered revealable substrates and methods of producing and using said multi-layered substrates20 Aug 2026US 2026/0241737 A1Virtual Graphics, LLC
- Drawing apparatus and method of forming drawn object18 Jun 2026US 2026/0166890 A1Sony Group Corporation
- Thermal paper, and methods and systems for forming the same16 Apr 2026US 2026/0103015 A1G13 Innovation in Production Ltd
- Azo-bf2-based adaptive functional materials15 Jan 2026US 2026/0014811 A1Southern Methodist University
- Ink set for thermal transfer sheet, thermal transfer sheet, method for producing thermal transfer sheet, and method for producing transfer printed matter25 Dec 2025US 2025/0388771 A1Riso Kagaku Corporation
Most cited
By later US patents
- Method of laser marking151US 4,861,620 AMitsubishi Denki Kabushiki Kaisha · 1989
- Thermal imaging method148US 4,602,263 APolaroid Corporation · 1986
- Business record having a multicolor imagable surface90US 5,524,934 AThe Standard Register Company · 1996
- Heat transfer sheet74US 5,006,502 ADai Nippon Insatsu Kabushiki Kaisha · 1991
- Two-color thermosensitive recording label71US 4,638,340 ARicoh Company, Ltd. · 1987