G03G 9/1135
Obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Official title: {obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds}
G03G9/1135 (Obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds) appears on 354 US grants and 324 published applications in this corpus.
Search patents in G03G- Granted patents
- 354
- Published applications
- 324
- Assignees
- 65
- Inventors
- 755
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 7 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 24 | 0 |
| 2001 | 7 | 1 |
| 2002 | 10 | 7 |
| 2003 | 9 | 13 |
| 2004 | 6 | 9 |
| 2005 | 6 | 10 |
| 2006 | 3 | 18 |
| 2007 | 5 | 11 |
| 2008 | 11 | 18 |
| 2009 | 12 | 31 |
| 2010 | 9 | 23 |
| 2011 | 11 | 13 |
| 2012 | 18 | 17 |
| 2013 | 17 | 12 |
| 2014 | 24 | 18 |
| 2015 | 13 | 7 |
| 2016 | 14 | 8 |
| 2017 | 15 | 16 |
| 2018 | 8 | 10 |
| 2019 | 11 | 11 |
| 2020 | 12 | 15 |
| 2021 | 10 | 5 |
| 2022 | 3 | 10 |
| 2023 | 3 | 4 |
| 2024 | 3 | 14 |
| 2025 | 6 | 5 |
| 2026 | 3 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Two-component developer28 Jul 2026US 12,693,607 B2KYOCERA Document Solutions Inc.
- Two-component developer28 Jul 2026US 12,693,609 B2KYOCERA Document Solutions Inc.
- Silica with reduced tribo-charge for toner applications20 Jan 2026US 12,528,704 B2Evonik Operations GmbH
- Carrier for forming electrophotographic image, developer for forming electrophotographic image, electrophotographic image forming method, electrophotographic image forming apparatus, and process cartridge7 Oct 2025US 12,436,479 B2Ricoh Company, Ltd.
- Carrier for forming electrophotographic image, developer, image forming method, image forming apparatus, and process cartridge5 Aug 2025US 12,379,678 B2Ricoh Company, Ltd.
- 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 2026/0310113 A1KYOCERA Document Solutions Inc.
- Toner, developing agent, toner accommodating unit, image forming apparatus, and image forming method24 Sep 2026US 2026/0288025 A1
- Developer set and image forming apparatus24 Sep 2026US 2026/0288026 A1KYOCERA Document Solutions Inc.
- Two-component developer, developer set, developing device, and image forming apparatus24 Sep 2026US 2026/0288027 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Mechanically viable developer materials111US 4,007,293 AXerox Corporation · 1977
- Magnetic carrier, two-component developer and image forming method61US 8,137,886 B2Canon Kabushiki Kaisha · 2012
- Production method of magnetic carrier and magnetic carrier produced therewith61US 8,323,726 B2Canon Kabushiki Kaisha · 2012
- Magnetic carrier and two component developer59US 7,927,775 B2Canon Kabushiki Kaisha · 2011
- Magnetic carrier and two-component developer58US 7,858,283 B2Canon Kabushiki Kaisha · 2010