B41M 5/388
Azo dyes
B41M5/388 (Azo dyes) appears on 228 US grants and 39 published applications in this corpus.
Search patents in B41M- Granted patents
- 228
- Published applications
- 39
- Assignees
- 41
- Inventors
- 291
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 13 | 0 |
| 1991 | 21 | 0 |
| 1992 | 29 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 9 | 0 |
| 1996 | 21 | 0 |
| 1997 | 11 | 0 |
| 1998 | 15 | 0 |
| 1999 | 13 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 4 |
| 2008 | 0 | 7 |
| 2009 | 3 | 4 |
| 2010 | 2 | 0 |
| 2011 | 4 | 0 |
| 2012 | 4 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 3 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 4 |
| 2019 | 3 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Yellow and magenta donor formulations for increased red vividness20 Jan 2026US 12,528,946 B2Kodak Alaris Inc.
- Printed product and method of producing printed product4 Nov 2025US 12,459,283 B2Canon Kabushiki Kaisha
- Aqueous ink, ink cartridge and ink jet recording method4 Feb 2025US 12,215,240 B2Canon Kabushiki Kaisha
- Heat sensitive transfer recording sheet31 Oct 2023US 11,801,703 B2Canon Kabushiki Kaisha
- Thermal transfer recording sheet24 Aug 2021US 11,097,566 B2Canon Kabushiki Kaisha
- Yellow and magenta donor formulations for increased red vividness16 Apr 2026US 2026/0103599 A1Kodak Alaris Inc.
- Aqueous ink, ink cartridge and ink jet recording method24 Apr 2025US 2025/0129258 A1Canon Kabushiki Kaisha
- Yellow and magenta donor formulations for increased red vividness17 Oct 2024US 2024/0343908 A1Kodak Alaris Inc.
- Thermal transfer recording sheet25 Jan 2024US 2024/0025197 A1Canon Kabushiki Kaisha
- Printed product and method of producing printed product18 May 2023US 2023/0151231 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Sheet for heat transference107US 4,720,480 ADai Nippon Insatsu Kabushiki Kaisha · 1988
- Newborn's growth adjustable absorbent diaper having variable overlapping and non-overlapping ears69US 5,489,282 AKimberly-Clark Corporation · 1996
- Transfer recording method using reactive sublimable dyes58US 4,614,521 AMitsubishi Chemical Industries Limited · 1986
- Polarizing mass transfer donor element and method of transferring a polarizing mass transfer layer58US 5,693,446 AMinnesota Mining and Manufacturing Company · 1997
- Mixture of dyes for magenta dye donor for thermal color proofing48US 5,023,229 AEastman Kodak Company · 1991