G03G 9/1087
Specified elemental magnetic metal or alloy
Official title: {Specified elemental magnetic metal or alloy, e.g. alnico comprising iron, nickel, cobalt, and aluminum, or permalloy comprising iron and nickel}
G03G9/1087 (Specified elemental magnetic metal or alloy) appears on 64 US grants and 38 published applications in this corpus.
Search patents in G03G- Granted patents
- 64
- Published applications
- 38
- Assignees
- 31
- Inventors
- 208
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 5 |
| 2007 | 1 | 0 |
| 2008 | 2 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 3 |
| 2012 | 1 | 3 |
| 2013 | 3 | 6 |
| 2014 | 6 | 2 |
| 2015 | 3 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 3 | 4 |
| 2020 | 0 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Toner24 Mar 2026US 12,585,209 B2Canon Kabushiki Kaisha
- Development device, image forming apparatus, and development method15 Apr 2025US 12,276,926 B2KYOCERA Document Solutions Inc.
- Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method25 Jun 2024US 12,019,395 B2FUJIFILM Business Innovation Corp.
- Carrier, developer, method, and apparatus for forming electrophotographic image, and process cartridge31 Aug 2021US 11,106,150 B2Ricoh Company, Ltd.
- Carrier core material and electrophotographic carrier using same and electrophotographic developer9 Feb 2021US 10,915,034 B2Dowa Electronics Materials Co., Ltd.
- Development device, image forming apparatus, and development method2 May 2024US 2024/0142897 A1KYOCERA Document Solutions Inc.
- Toner31 Aug 2023US 2023/0273543 A1Canon Kabushiki Kaisha
- Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method22 Sep 2022US 2022/0299906 A1FUJIFILM Business Innovation Corp.
- Carrier, developer, method, and apparatus for forming electrophotographic image, and process cartridge28 May 2020US 2020/0166867 A1Ricoh Company, Ltd.
- Carrier core material and electrophotographic carrier using same and electrophotographic developer26 Dec 2019US 2019/0391506 A1Dowa Electronics Materials Co., Ltd.
Most cited
By later US patents
- Low density magnetic polymer carrier materials produced by metal carbonyl thermal decomposition35US 4,238,558 AXerox Corporation · 1980
- Toner and developer compositions24US 5,346,795 AXerox Corporation · 1994
- Carrier for electrophotography, two-component type developer, and image forming method24US 5,512,402 ACanon Kabushiki Kaisha · 1996
- Carrier for electrophotography, two-component type developer, and image forming method20US 5,670,288 ACanon Kabushiki Kaisha · 1997
- Replenishing developer and developing method18US 6,936,394 B2Canon Kabushiki Kaisha · 2005