G03G 9/135
Characterised by stabiliser or charge-controlling agents
Official title: characterised by stabiliser or charge-controlling agents
G03G9/135 (Characterised by stabiliser or charge-controlling agents) appears on 390 US grants and 285 published applications in this corpus.
Search patents in G03G- Granted patents
- 390
- Published applications
- 285
- Assignees
- 95
- Inventors
- 623
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 13 | 0 |
| 1992 | 3 | 0 |
| 1993 | 12 | 0 |
| 1994 | 10 | 0 |
| 1995 | 14 | 0 |
| 1996 | 17 | 0 |
| 1997 | 16 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 0 |
| 2002 | 8 | 6 |
| 2003 | 5 | 4 |
| 2004 | 3 | 9 |
| 2005 | 3 | 13 |
| 2006 | 8 | 7 |
| 2007 | 4 | 17 |
| 2008 | 4 | 10 |
| 2009 | 7 | 19 |
| 2010 | 7 | 12 |
| 2011 | 9 | 7 |
| 2012 | 12 | 6 |
| 2013 | 12 | 11 |
| 2014 | 6 | 14 |
| 2015 | 14 | 12 |
| 2016 | 12 | 16 |
| 2017 | 16 | 20 |
| 2018 | 18 | 29 |
| 2019 | 19 | 23 |
| 2020 | 15 | 18 |
| 2021 | 4 | 12 |
| 2022 | 7 | 15 |
| 2023 | 4 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
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.
- Liquid electrostatic inks and methods of printing8 Apr 2025US 12,271,152 B2Hewlett-Packard Development Company, L. P.
- Electrophotographic developer set comprising toner and powder adhesive, method for producing bonded product, and powder adhesive29 Oct 2024US 12,130,585 B2Canon Kabushiki Kaisha
- Liquid electrophotographic ink composition16 Apr 2024US 11,960,241 B2Hewlett-Packard Development Company, L. P.
- Printing systems and methods including multilayer films19 Dec 2023US 11,846,912 B2Dow Global Technologies LLC
- Gold nanoparticle-containing composition, gold nanoparticle-containing composition dispersion, ink, and toner20 Nov 2025US 2025/0353077 A1Canon Kabushiki Kaisha
- Liquid electrophotographic ink compositions15 Feb 2024US 2024/0053690 A1Hewlett-Packard Development Company, L. P.
- Electrophotographic ink compositions1 Feb 2024US 2024/0036490 A1Hewlett-Packard Development Company, L. P.
- Liquid electrophotographic ink compositions11 May 2023US 2023/0142273 A1Hewlett-Packard Development Company, L. P.
- Electroluminescent Cells20 Apr 2023US 2023/0122096 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
- Encapsulated magnetic particles pigments and carbon black, compositions and methods related thereto77US 5,543,219 AA. B. Dick Company · 1996
- Metallic soap as adjuvant for electrostatic liquid developer73US 4,707,429 AE. I. Du Pont de Nemours and Company · 1987
- Liquid toners with hydrocarbon solvents56US 5,604,070 AMinnesota Mining and Manufacturing Company · 1997
- Imaging apparatus and method and liquid toner therefor53US 5,923,929 AIndigo N.V. · 1999