G03G 15/0882
By a peelable sealing film
Official title: {by a peelable sealing film (resealing used developer units before refilling: G03G15/0894)}
G03G15/0882 (By a peelable sealing film) appears on 328 US grants and 209 published applications in this corpus.
Search patents in G03G- Granted patents
- 328
- Published applications
- 209
- Assignees
- 64
- Inventors
- 526
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 15 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 13 | 0 |
| 1999 | 8 | 0 |
| 2000 | 18 | 0 |
| 2001 | 13 | 4 |
| 2002 | 7 | 7 |
| 2003 | 11 | 11 |
| 2004 | 8 | 3 |
| 2005 | 2 | 9 |
| 2006 | 3 | 6 |
| 2007 | 8 | 6 |
| 2008 | 3 | 5 |
| 2009 | 3 | 13 |
| 2010 | 11 | 9 |
| 2011 | 7 | 11 |
| 2012 | 9 | 3 |
| 2013 | 6 | 14 |
| 2014 | 8 | 25 |
| 2015 | 19 | 8 |
| 2016 | 21 | 11 |
| 2017 | 11 | 19 |
| 2018 | 21 | 13 |
| 2019 | 6 | 8 |
| 2020 | 9 | 2 |
| 2021 | 0 | 2 |
| 2022 | 2 | 2 |
| 2023 | 2 | 4 |
| 2024 | 5 | 3 |
| 2025 | 4 | 7 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnet including a non-rotatable shaft engaged with a through hole at a lateral end21 Jul 2026US 12,687,800 B2Ricoh Company, Ltd.
- Sheet-shaped sealing member, removable unit, and image forming apparatus9 Jun 2026US 12,650,659 B2Ricoh Company, Ltd.
- Image forming apparatus20 Jan 2026US 12,529,980 B2Canon Kabushiki Kaisha
- Developing device30 Dec 2025US 12,510,846 B2Canon Kabushiki Kaisha
- Toner cartridge, image forming apparatus, and remanufacturing method of used toner cartridge30 Dec 2025US 12,510,847 B2Canon Kabushiki Kaisha
- Sheet-shaped sealing member, removable unit, and image forming apparatus17 Sep 2026US 2026/0277133 A1Ricoh Company, Ltd.
- Sheet-shaped sealer, removable unit, and image forming apparatus27 Aug 2026US 2026/0252000 A1Etria Co., Ltd.
- Toner accommodating container and image forming apparatus6 Aug 2026US 2026/0227740 A1FUJIFILM Business Innovation Corp.
- Sealing member, development device, image forming device, and sealing method12 Feb 2026US 2026/0044097 A1Sharp Kaushiki Kaisha
- Developer container2 Oct 2025US 2025/0306502 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Toner container, toner container assembling method, process cartridge, and electrophotographic image forming apparatus173US 5,878,309 ACanon Kabushiki Kaisha · 1999
- Developing cartridge157US 6,072,969 ACanon Kabushiki Kaisha · 2000
- Toner container, toner container assembling method, process cartridge, and electrophotographic image forming apparatus137US 6,215,969 B1Canon Kabushiki Kaisha · 2001
- Cartridge detachably attachable to image forming apparatus102US 6,496,667 B2Canon Kabushiki Kaisha · 2002
- Cartridge discriminating system101US 5,184,181 AMita Industrial Co., Ltd. · 1993