G03G 9/092
Quinacridones
Official title: {Quinacridones}
G03G9/092 (Quinacridones) appears on 122 US grants and 116 published applications in this corpus.
Search patents in G03G- Granted patents
- 122
- Published applications
- 116
- Assignees
- 39
- Inventors
- 363
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 3 |
| 2003 | 3 | 4 |
| 2004 | 0 | 1 |
| 2005 | 0 | 5 |
| 2006 | 2 | 5 |
| 2007 | 4 | 3 |
| 2008 | 5 | 3 |
| 2009 | 1 | 9 |
| 2010 | 0 | 2 |
| 2011 | 2 | 8 |
| 2012 | 8 | 4 |
| 2013 | 8 | 12 |
| 2014 | 7 | 2 |
| 2015 | 3 | 9 |
| 2016 | 5 | 8 |
| 2017 | 7 | 10 |
| 2018 | 9 | 5 |
| 2019 | 3 | 4 |
| 2020 | 6 | 7 |
| 2021 | 4 | 4 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Toner24 Mar 2026US 12,585,207 B2Canon Kabushiki Kaisha
- Toner4 Nov 2025US 12,461,463 B2Canon Kabushiki Kaisha
- Toner2 Sep 2025US 12,405,543 B2Canon Kabushiki Kaisha
- Resin particle30 Jan 2024US 11,884,816 B2FUJIFILM Business Innovation Corp.
- Image forming method and image forming apparatus25 Apr 2023US 11,635,711 B2Ricoh Company, Ltd.
- Toner set and magenta toner3 Sep 2026US 2026/0259515 A1Zeon Corporation
- Fluorescent green toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, image forming method, and printed material26 Sep 2024US 2024/0319627 A1FUJIFILM Business Innovation Corp.
- Toner18 Jul 2024US 2024/0241460 A1
- Toner11 Jul 2024US 2024/0231251 A1
- Toner5 Oct 2023US 2023/0314973 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Fluorescent carbamate-modified phthalocyanine pigments46US 5,811,543 ACiba Speciality Chemicals Corporation · 1998
- Magenta toner45US 10,036,970 B2Canon Kabushiki Kaisha · 2018
- Toner36US 9,829,814 B2Canon Kabushiki Kaisha · 2017
- Magenta toner35US 6,664,016 B2Canon Kabushiki Kaisha · 2003
- Toner and method for forming image35US 7,442,478 B2Canon Kabushiki Kaisha · 2008