G03G 9/0975
Anionic
Official title: {anionic}
G03G9/0975 (Anionic) appears on 247 US grants and 135 published applications in this corpus.
Search patents in G03G- Granted patents
- 247
- Published applications
- 135
- Assignees
- 74
- Inventors
- 579
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 15 | 0 |
| 1997 | 15 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 16 | 0 |
| 2001 | 10 | 1 |
| 2002 | 6 | 4 |
| 2003 | 3 | 10 |
| 2004 | 2 | 5 |
| 2005 | 4 | 9 |
| 2006 | 6 | 6 |
| 2007 | 7 | 11 |
| 2008 | 7 | 8 |
| 2009 | 9 | 14 |
| 2010 | 7 | 11 |
| 2011 | 8 | 9 |
| 2012 | 9 | 5 |
| 2013 | 8 | 9 |
| 2014 | 8 | 7 |
| 2015 | 7 | 4 |
| 2016 | 3 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 4 |
| 2019 | 3 | 2 |
| 2020 | 3 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 4 |
| 2024 | 1 | 2 |
| 2025 | 2 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Toner for developing electrostatic latent image and production method thereof14 Jul 2026US 12,681,402 B2Ricoh Company, Ltd.
- Method for producing toner for developing electrostatic charge image, toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method16 Jun 2026US 12,656,699 B2FUJIFILM Business Innovation Corp.
- Toner10 Feb 2026US 12,547,091 B2Canon Kabushiki Kaisha
- Toner particle having hydrotalcite particle containing fluorine27 Jan 2026US 12,535,751 B2Canon Kabushiki Kaisha
- Toner comprising reactive charge control agent2 Sep 2025US 12,405,547 B2Xerox Corporation
- Positively chargeable toner particles, toner compositions, and methods for production thereof10 Sep 2026US 2026/0267249 A1Xerox Corporation
- Toner and method of producing the same2 Oct 2025US 2025/0306486 A1Sharp Kabushiki Kaisha
- Toner26 Jun 2025US 2025/0208530 A1Canon Kabushiki Kaisha
- Toner10 Apr 2025US 2025/0116946 A1Canon Kabushiki Kaisha
- Toner8 Aug 2024US 2024/0264545 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Quarternary ammonium sulfate or sulfonate charge control agents for electrophotographic developers compatible with viton fuser442US 4,338,390 AXerox Corporation · 1982
- Process of making toner compositions324US 5,344,738 AXerox Corporation · 1994
- Toner aggregation processes267US 5,501,935 AXerox Corporation · 1996
- Toner processes with hydrolyzable surfactant148US 5,766,818 AXerox Corporation · 1998
- Decolorizable toner64US 5,362,592 ABando Chemical Industries, Ltd. · 1994