G03G 9/00
Developers
G03G9/00 (Developers) appears on 9,756 US grants and 7,667 published applications in this corpus.
Search patents in G03G- Granted patents
- 9,756
- Published applications
- 7,667
- Assignees
- 667
- Inventors
- 8,336
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 70 | 0 |
| 1977 | 59 | 0 |
| 1978 | 63 | 0 |
| 1979 | 46 | 0 |
| 1980 | 47 | 0 |
| 1981 | 99 | 0 |
| 1982 | 38 | 0 |
| 1983 | 58 | 0 |
| 1984 | 72 | 0 |
| 1985 | 76 | 0 |
| 1986 | 77 | 0 |
| 1987 | 78 | 0 |
| 1988 | 85 | 0 |
| 1989 | 176 | 0 |
| 1990 | 165 | 0 |
| 1991 | 161 | 0 |
| 1992 | 186 | 0 |
| 1993 | 233 | 0 |
| 1994 | 265 | 0 |
| 1995 | 238 | 0 |
| 1996 | 265 | 0 |
| 1997 | 248 | 0 |
| 1998 | 274 | 0 |
| 1999 | 259 | 0 |
| 2000 | 282 | 0 |
| 2001 | 216 | 63 |
| 2002 | 224 | 218 |
| 2003 | 214 | 359 |
| 2004 | 193 | 287 |
| 2005 | 156 | 346 |
| 2006 | 202 | 411 |
| 2007 | 239 | 373 |
| 2008 | 233 | 399 |
| 2009 | 221 | 430 |
| 2010 | 269 | 376 |
| 2011 | 273 | 372 |
| 2012 | 331 | 312 |
| 2013 | 373 | 377 |
| 2014 | 410 | 366 |
| 2015 | 334 | 378 |
| 2016 | 318 | 318 |
| 2017 | 352 | 331 |
| 2018 | 318 | 295 |
| 2019 | 286 | 252 |
| 2020 | 206 | 233 |
| 2021 | 166 | 204 |
| 2022 | 94 | 312 |
| 2023 | 108 | 210 |
| 2024 | 105 | 179 |
| 2025 | 177 | 141 |
| 2026 | 118 | 125 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Toner, toner production method, and image-forming method6 Oct 2026US 12,754,489 B2Canon Kabushiki Kaisha
- Electrostatic image development toner6 Oct 2026US 12,754,490 B2Zeon Corporation
- Carrier core material and electrophotographic development carrier using same and electrophotographic developer6 Oct 2026US 12,754,491 B2Dowa Electronics Materials Co., Ltd.
- Pill container29 Sep 2026US 12,746,181 B2Nippon Shinyaku Co., Ltd.
- Toner29 Sep 2026US 12,748,357 B2Canon Kabushiki Kaisha
- Toner, developer, toner storage unit, image forming apparatus, and image forming method8 Oct 2026US 2026/0310110 A1
- Positively chargeable toner and two-component developer containing positively chargeable toner8 Oct 2026US 2026/0310111 A1KYOCERA Document Solutions Inc.
- Positively chargeable toner and two-component developer containing positively chargeable toner8 Oct 2026US 2026/0310112 A1KYOCERA Document Solutions Inc.
- Positively chargeable toner and two-component developer containing positively chargeable toner8 Oct 2026US 2026/0310113 A1KYOCERA Document Solutions Inc.
- Toner, toner production method, and two-component developer8 Oct 2026US 2026/0310114 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Microsuspension processes for toner compositions513US 5,290,654 AXerox Corporation · 1994
- Quarternary ammonium sulfate or sulfonate charge control agents for electrophotographic developers compatible with viton fuser442US 4,338,390 AXerox Corporation · 1982
- Toner processes370US 5,346,797 AXerox Corporation · 1994
- Toner aggregation and coalescence processes355US 5,403,693 AXerox Corporation · 1995
- Toner emulsion aggregation process350US 5,418,108 AXerox Corporation · 1995