B41M 2205/30
Thermal donors
Official title: Thermal donors, e.g. thermal ribbons
B41M2205/30 (Thermal donors) appears on 228 US grants and 214 published applications in this corpus.
Search patents in B41M- Granted patents
- 228
- Published applications
- 214
- Assignees
- 72
- Inventors
- 373
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 3 | 6 |
| 2009 | 2 | 3 |
| 2010 | 3 | 8 |
| 2011 | 2 | 6 |
| 2012 | 8 | 6 |
| 2013 | 9 | 11 |
| 2014 | 5 | 17 |
| 2015 | 13 | 20 |
| 2016 | 15 | 13 |
| 2017 | 17 | 14 |
| 2018 | 15 | 12 |
| 2019 | 10 | 15 |
| 2020 | 10 | 15 |
| 2021 | 10 | 14 |
| 2022 | 4 | 10 |
| 2023 | 8 | 12 |
| 2024 | 11 | 8 |
| 2025 | 9 | 8 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal transfer sheet, and combination of thermal transfer sheet and intermediate transfer medium27 Jan 2026US 12,533,904 B2Dai Nippon Printing Co.Ltd.
- Peel-off sheet, and combination of peel-off sheet and intermediate transfer medium4 Nov 2025US 12,459,230 B2Dai Nippon Printing Co.Ltd.
- Thermal transfer medium and information recording body4 Nov 2025US 12,459,282 B2Toppan Inc.
- Apparatuses and methods for printed security features4 Nov 2025US 12,459,287 B2Illinois Tool Works Inc.
- Process for partial colouring of plastic parts using solid colourants in colour- carrier layers22 Jul 2025US 12,365,775 B2Covestro Deutschland AG
- Method of producing thermal transfer print sheet, thermal transfer print sheet, and method of thermal transfer printing24 Sep 2026US 2026/0286603 A1
- Protective patch ribbon for thermal transfer printers and method for manufacturing the same13 Aug 2026US 2026/0233544 A1Rtai Inc Co.,Ltd
- Thermal donor laminates with alternate polymers and release agents26 Feb 2026US 2026/0054512 A1Kodak Alaris Inc.
- Thermal-transfer recording medium, transferred-medium film, and method for producing transferred-medium film12 Feb 2026US 2026/0042309 A1Brother Kogyo Kabushiki Kaisha
- Apparatuses and methods for printed security features29 Jan 2026US 2026/0027849 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Sheet for heat transference107US 4,720,480 ADai Nippon Insatsu Kabushiki Kaisha · 1988
- Donor elements, assemblages, and associated processes with flexible ejection layer(s) for laser-induced thermal transfer40US 5,766,819 AE. I. DuPont de Nemours and Company · 1998
- Ink ribbon for thermal transfer printer35US 5,240,781 AFuji Kagakushi Kogyo Co., Ltd. · 1993
- Image-receiving sheet28US 5,439,872 ADai Nippon Insatsu Kabushiki Kaisha · 1995
- Sheet for heat transference and method for using the same24US 5,130,292 ADai Nippon Insatsu Kabushiki Kaisha · 1992