G03G 9/09
Colouring agents for toner particles
G03G9/09 (Colouring agents for toner particles) appears on 1,835 US grants and 1,666 published applications in this corpus.
Search patents in G03G- Granted patents
- 1,835
- Published applications
- 1,666
- Assignees
- 273
- Inventors
- 2,975
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 11 | 0 |
| 1978 | 9 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 11 | 0 |
| 1985 | 14 | 0 |
| 1986 | 12 | 0 |
| 1987 | 12 | 0 |
| 1988 | 14 | 0 |
| 1989 | 17 | 0 |
| 1990 | 25 | 0 |
| 1991 | 16 | 0 |
| 1992 | 27 | 0 |
| 1993 | 32 | 0 |
| 1994 | 33 | 0 |
| 1995 | 24 | 0 |
| 1996 | 45 | 0 |
| 1997 | 41 | 0 |
| 1998 | 63 | 0 |
| 1999 | 37 | 0 |
| 2000 | 60 | 0 |
| 2001 | 38 | 9 |
| 2002 | 36 | 53 |
| 2003 | 50 | 68 |
| 2004 | 33 | 51 |
| 2005 | 31 | 75 |
| 2006 | 37 | 75 |
| 2007 | 56 | 53 |
| 2008 | 42 | 61 |
| 2009 | 18 | 83 |
| 2010 | 39 | 77 |
| 2011 | 46 | 95 |
| 2012 | 67 | 72 |
| 2013 | 92 | 81 |
| 2014 | 81 | 73 |
| 2015 | 62 | 77 |
| 2016 | 62 | 70 |
| 2017 | 79 | 126 |
| 2018 | 107 | 94 |
| 2019 | 68 | 51 |
| 2020 | 58 | 72 |
| 2021 | 42 | 48 |
| 2022 | 20 | 73 |
| 2023 | 33 | 37 |
| 2024 | 32 | 34 |
| 2025 | 39 | 29 |
| 2026 | 17 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Toner, toner cartridge, and image-forming device16 Jun 2026US 12,656,700 B2Mitsubishi Chemical Corporation
- Yellow toner19 May 2026US 12,631,980 B2Canon Kabushiki Kaisha
- Toner, developer, toner storage unit, image forming apparatus, and image forming method28 Apr 2026US 12,613,477 B2Ricoh Company, Ltd.
- Pigment composition, coloring composition, paint, ink, ink set, printed article, and packaging material21 Apr 2026US 12,606,707 B2artience Co., Ltd.
- Electrostatic charge image developing toner set, electrostatic charge image developer set, toner cartridge set, process cartridge, image forming apparatus, and image forming method21 Apr 2026US 12,607,947 B2FUJIFILM Business Innovation Corp.
- Positively chargeable toner and two-component developer containing positively chargeable toner8 Oct 2026US 2026/0310111 A1KYOCERA Document Solutions Inc.
- Resin particle, method for manufacturing resin particle, toner resin particle, toner, developer, toner storage unit, and image forming apparatus1 Oct 2026US 2026/0297321 A1
- Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus1 Oct 2026US 2026/0299450 A1FUJIFILM Business Innovation Corp.
- Electrostatic charge image developing toner set, electrostatic charge image developer set, toner cartridge set, process cartridge, and image forming apparatus1 Oct 2026US 2026/0299451 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus1 Oct 2026US 2026/0299452 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Colored pigment and aqueous compositions containing same253US 5,837,045 ACabot Corporation · 1998
- Toner and developer compositions165US 6,593,049 B1Xerox Corporation · 2003
- Toner processes161US 5,840,462 AXerox Corporation · 1998
- Material and method for printing high conductivity electrical conductors and other components on thin film transistor arrays107US 6,274,412 B1Parelec, Inc. · 2001
- Fluorescent toner processes97US 5,554,480 AXerox Corporation · 1996