G03G 9/12
In liquid developer mixtures
Official title: in liquid developer mixtures
G03G9/12 (In liquid developer mixtures) appears on 978 US grants and 613 published applications in this corpus.
Search patents in G03G- Granted patents
- 978
- Published applications
- 613
- Assignees
- 168
- Inventors
- 1,247
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 20 | 0 |
| 1978 | 7 | 0 |
| 1979 | 11 | 0 |
| 1980 | 11 | 0 |
| 1981 | 12 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 9 | 0 |
| 1985 | 8 | 0 |
| 1986 | 12 | 0 |
| 1987 | 20 | 0 |
| 1988 | 23 | 0 |
| 1989 | 33 | 0 |
| 1990 | 23 | 0 |
| 1991 | 39 | 0 |
| 1992 | 21 | 0 |
| 1993 | 29 | 0 |
| 1994 | 32 | 0 |
| 1995 | 28 | 0 |
| 1996 | 32 | 0 |
| 1997 | 28 | 0 |
| 1998 | 19 | 0 |
| 1999 | 24 | 0 |
| 2000 | 20 | 0 |
| 2001 | 18 | 2 |
| 2002 | 16 | 13 |
| 2003 | 12 | 20 |
| 2004 | 11 | 22 |
| 2005 | 9 | 30 |
| 2006 | 24 | 27 |
| 2007 | 11 | 27 |
| 2008 | 16 | 25 |
| 2009 | 14 | 34 |
| 2010 | 16 | 19 |
| 2011 | 21 | 17 |
| 2012 | 22 | 14 |
| 2013 | 18 | 22 |
| 2014 | 21 | 42 |
| 2015 | 27 | 40 |
| 2016 | 37 | 37 |
| 2017 | 39 | 37 |
| 2018 | 37 | 53 |
| 2019 | 44 | 39 |
| 2020 | 22 | 29 |
| 2021 | 12 | 22 |
| 2022 | 12 | 28 |
| 2023 | 8 | 5 |
| 2024 | 8 | 6 |
| 2025 | 5 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrophotographic ink compositions11 Aug 2026US 12,704,796 B2Hewlett-Packard Development Company, L. P.
- Method for producing resin particle dispersion, method for producing toner for electrostatic image development, and toner for electrostatic image development7 Oct 2025US 12,435,187 B2FUJIFILM Business Innovation Corp.
- Image forming system and image forming apparatus17 Jun 2025US 12,332,594 B2Canon Kabushiki Kaisha
- Digitally printed labels15 Apr 2025US 12,275,860 B2Sun Chemical Corporation
- Liquid electrostatic inks and methods of printing8 Apr 2025US 12,271,152 B2Hewlett-Packard Development Company, L. P.
- Reducing particle size distribution in a printing fluid16 Jul 2026US 2026/0202774 A1Hewlett-Packard Development Company, L. P.
- Gold nanoparticle-containing composition, gold nanoparticle-containing composition dispersion, ink, and toner20 Nov 2025US 2025/0353077 A1Canon Kabushiki Kaisha
- Electrophotographic ink compositions9 Oct 2025US 2025/0314985 A1Hewlett-Packard Development Company, L. P.
- Amorphous polyester resin, aqueous dispersion liquid, method for producing aqueous dispersion liquid, resin particles, method for producing resin particles, toner resin particles, toner, method for producing toner, developer, toner storage, and image forming apparatus27 Jun 2024US 2024/0210845 A1Ricoh Company, Ltd.
- Liquid electrophotographic ink compositions15 Feb 2024US 2024/0053690 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Methods of preparing electrophoretic dispersions containing two types of particles with different colors and opposite charges176US 6,113,810 ACopytele, Inc. · 2000
- Ink jet inks containing colored silica particles138US 4,877,451 AXerox Corporation · 1989
- Inks and liquid developers containing colored silica particles111US 5,378,574 AXerox Corporation · 1995
- Toner for use in compositions for developing latent electrostatic images, method of making the same, and liquid composition using the improved toner108US 4,794,651 ASavin Corporation · 1988
- Material and method for printing high conductivity electrical conductors and other components on thin film transistor arrays107US 6,274,412 B1Parelec, Inc. · 2001