C09K 19/605
Azomethine dyes
Official title: {Azomethine dyes}
C09K19/605 (Azomethine dyes) appears on 9 US grants and 6 published applications in this corpus.
Search patents in C09K- Granted patents
- 9
- Published applications
- 6
- Assignees
- 6
- Inventors
- 25
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical element and light guide element18 Feb 2025US 12,228,764 B2FUJIFILM Corporation
- Optically anisotropic film, optical film, and display device9 Jul 2024US 12,032,188 B2FUJIFILM Corporation
- Optical element and light guide element12 Mar 2024US 11,927,792 B2FUJIFILM Corporation
- Display panel comprising a plurality of dichroic dye liquid crystal microcapsules having a quality percentage of liquid crystal material of 95.0%-99.0% and display device30 Aug 2022US 11,428,972 B2
- Metal organic liquid crystal dyes1 Dec 2020US 10,851,302 B2Gauzy Ltd.
- Optical element and light guide element23 May 2024US 2024/0168218 A1FUJIFILM Corporation
- Optically anisotropic film, optical film, and display device30 Nov 2023US 2023/0384498 A1FUJIFILM Corporation
- Display panel, manufacturing method thereof, and display device25 Nov 2021US 2021/0363425 A1Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Optical element and light guide element28 Jan 2021US 2021/0026062 A1FUJIFILM Corporation
- Metal organic liquid crystal dyes14 Dec 2017US 2017/0355908 A1Gauzy Ltd.
Most cited
By later US patents
- Acutance agents for use in thermally-developable photosensitive compositions16US 4,033,948 AMinnesota Mining and Manufacturing Company · 1977
- Acutance agents for use in thermally-developable photosensitive compositions15US 4,088,497 AMinnesota Mining and Manufacturing Company · 1978
- Liquid crystalline and infrared-sensitive liquid-crystalline polyesters2US 5,525,265 AAkzo Nobel N. V. · 1996
- Optical element and light guide element1US 11,927,792 B2FUJIFILM Corporation · 2024
- Color display devices1US 9,695,362 B1Electronics and Telecommunications Research Institute · 2017