G03G 9/0821
Characterised by physical parameters
Official title: {characterised by physical parameters (magnetic parameters G03G9/083)}
G03G9/0821 (Characterised by physical parameters) appears on 1,477 US grants and 1,582 published applications in this corpus.
Search patents in G03G- Granted patents
- 1,477
- Published applications
- 1,582
- Assignees
- 136
- Inventors
- 2,300
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 0 | 0 |
| 1992 | 6 | 0 |
| 1993 | 18 | 0 |
| 1994 | 16 | 0 |
| 1995 | 11 | 0 |
| 1996 | 21 | 0 |
| 1997 | 19 | 0 |
| 1998 | 33 | 0 |
| 1999 | 25 | 0 |
| 2000 | 26 | 0 |
| 2001 | 27 | 10 |
| 2002 | 31 | 37 |
| 2003 | 34 | 47 |
| 2004 | 29 | 58 |
| 2005 | 35 | 82 |
| 2006 | 37 | 91 |
| 2007 | 56 | 67 |
| 2008 | 39 | 78 |
| 2009 | 48 | 84 |
| 2010 | 61 | 64 |
| 2011 | 55 | 88 |
| 2012 | 52 | 56 |
| 2013 | 77 | 89 |
| 2014 | 79 | 52 |
| 2015 | 65 | 67 |
| 2016 | 57 | 66 |
| 2017 | 61 | 74 |
| 2018 | 85 | 85 |
| 2019 | 75 | 58 |
| 2020 | 59 | 63 |
| 2021 | 51 | 63 |
| 2022 | 27 | 69 |
| 2023 | 29 | 52 |
| 2024 | 28 | 43 |
| 2025 | 44 | 22 |
| 2026 | 25 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pill container29 Sep 2026US 12,746,181 B2Nippon Shinyaku Co., Ltd.
- Toner and toner production method29 Sep 2026US 12,748,358 B2Canon Kabushiki Kaisha
- Toner29 Sep 2026US 12,748,359 B2Canon Kabushiki Kaisha
- Toner15 Sep 2026US 12,736,888 B2Canon Kabushiki Kaisha
- Toner15 Sep 2026US 12,736,890 B2Canon Kabushiki Kaisha
- Two-component developer, developer set, developing device, and image forming apparatus24 Sep 2026US 2026/0288027 A1KYOCERA Document Solutions Inc.
- Toner set and magenta toner3 Sep 2026US 2026/0259515 A1Zeon Corporation
- Two-component developer20 Aug 2026US 2026/0244123 A1Canon Kabushiki Kaisha
- Toner28 May 2026US 2026/0147286 A1Canon Kabushiki Kaisha
- Magnetic one-component toner and image forming apparatus using the same14 May 2026US 2026/0133515 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Toner84US 8,986,914 B2Canon Kabushiki Kaisha · 2015
- Electrophotographic image formation process and apparatus81US 6,360,068 B1Fujitsu Limited · 2002
- Electrophotographic toner, and image forming method and apparatus using the toner80US 6,403,275 B1Ricoh Company, Ltd. · 2002
- Toner78US 8,084,174 B2Canon Kabushiki Kaisha · 2011
- Toner and two-component developer69US 8,288,069 B2Canon Kabushiki Kaisha · 2012