G03G 9/0912
Indigoid
Official title: {Indigoid; Diaryl and Triaryl methane; Oxyketone dyes}
G03G9/0912 (Indigoid) appears on 88 US grants and 59 published applications in this corpus.
Search patents in G03G- Granted patents
- 88
- Published applications
- 59
- Assignees
- 35
- Inventors
- 247
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 1 |
| 2002 | 7 | 2 |
| 2003 | 1 | 5 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 6 |
| 2007 | 5 | 3 |
| 2008 | 3 | 3 |
| 2009 | 2 | 5 |
| 2010 | 2 | 2 |
| 2011 | 4 | 3 |
| 2012 | 3 | 3 |
| 2013 | 5 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 3 |
| 2016 | 3 | 3 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 3 |
| 2020 | 3 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 2 |
| 2023 | 2 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method7 Apr 2026US 12,596,314 B2FUJIFILM Business Innovation Corp.
- Toner classification apparatus and a toner production method5 Dec 2023US 11,835,919 B2Canon Kabushiki Kaisha
- Aqueous pigment dispersion liquid5 Sep 2023US 11,746,247 B2Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Fluorescent latexes with enhanced brightness20 Sep 2022US 11,448,981 B2Xerox Corporation
- Magenta toner18 Jan 2022US 11,226,569 B2Zeon Corporation
- Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method30 Nov 2023US 2023/0384701 A1FUJIFILM Business Innovation Corp.
- Resin particles, toner, developer, toner housing unit, image forming apparatus, and method of forming image12 Oct 2023US 2023/0324823 A1Ricoh Company, Ltd.
- Toner classification apparatus and a toner production method9 Jun 2022US 2022/0179332 A1Canon Kabushiki Kaisha
- Aqueous pigment dispersion liquid28 Apr 2022US 2022/0127485 A1Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Fluorescent latexes with enhanced brightness23 Sep 2021US 2021/0294236 A1Xerox Corporation
Most cited
By later US patents
- Fluorescent carbamate-modified phthalocyanine pigments46US 5,811,543 ACiba Speciality Chemicals Corporation · 1998
- Cyan toner and method of producing cyan toner34US 7,264,910 B2Canon Kabushiki Kaisha · 2007
- Fluorescent quinacridone pigments31US 5,561,232 ACiba-Geigy Corporation · 1996
- Cyan toner and method of producing cyan toner29US 7,288,357 B2Canon Kabushiki Kaisha · 2007
- Magenta color toner for developing latent electrostatic images in color electrophotography28US 4,933,250 ARicoh Company, Ltd. · 1990