G03G 9/0827
Characterised by their shape
Official title: {characterised by their shape, e.g. degree of sphericity}
G03G9/0827 (Characterised by their shape) appears on 933 US grants and 1,092 published applications in this corpus.
Search patents in G03G- Granted patents
- 933
- Published applications
- 1,092
- Assignees
- 111
- Inventors
- 1,643
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 17 | 0 |
| 2000 | 17 | 0 |
| 2001 | 19 | 10 |
| 2002 | 16 | 39 |
| 2003 | 30 | 41 |
| 2004 | 28 | 42 |
| 2005 | 20 | 58 |
| 2006 | 25 | 68 |
| 2007 | 35 | 69 |
| 2008 | 45 | 79 |
| 2009 | 40 | 85 |
| 2010 | 55 | 64 |
| 2011 | 43 | 57 |
| 2012 | 56 | 30 |
| 2013 | 50 | 36 |
| 2014 | 43 | 33 |
| 2015 | 36 | 40 |
| 2016 | 33 | 43 |
| 2017 | 45 | 55 |
| 2018 | 60 | 54 |
| 2019 | 41 | 23 |
| 2020 | 23 | 31 |
| 2021 | 29 | 29 |
| 2022 | 16 | 28 |
| 2023 | 9 | 36 |
| 2024 | 10 | 16 |
| 2025 | 18 | 18 |
| 2026 | 15 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- External additive for toner and toner8 Sep 2026US 12,730,389 B2Canon Kabushiki Kaisha
- Image forming device and process cartridge14 Jul 2026US 12,681,398 B1FUJIFILM Business Innovation Corp.
- Toner2 Jun 2026US 12,645,162 B2Canon Kabushiki Kaisha
- Toner2 Jun 2026US 12,645,164 B2Canon Kabushiki Kaisha
- Yellow toner19 May 2026US 12,631,980 B2Canon Kabushiki Kaisha
- Positively-chargeable toner for developing electrostatic images, toner set and image forming method3 Sep 2026US 2026/0259516 A1Zeon Corporation
- Toner for developing electrostatic charge image, method for producing toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus27 Aug 2026US 2026/0251993 A1FUJIFILM Business Innovation Corp.
- Polymer coagulants for preparing emulsion aggregation toner particles26 Mar 2026US 2026/0086470 A1Xerox Corporation
- Developing apparatus, process cartridge, and electrophotographic image forming apparatus5 Mar 2026US 2026/0064034 A1Canon Kabushiki Kaisha
- Toner12 Feb 2026US 2026/0044093 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Toner76US 8,614,044 B2Canon Kabushiki Kaisha · 2013
- Toner, two-component developer and image forming method74US 6,077,635 ACanon Kabushiki Kaisha · 2000
- Aqueous dispersion of fine resin particles, method for producing aqueous dispersion of fine resin particles, and method for producing toner particles69US 7,833,687 B2Canon Kabushiki Kaisha · 2010
- Toner and two-component developer69US 8,288,069 B2Canon Kabushiki Kaisha · 2012
- Toner69US 8,778,585 B2Canon Kabushiki Kaisha · 2014