G03G 2221/1606
For the photosensitive element
Official title: for the photosensitive element
G03G2221/1606 (For the photosensitive element) appears on 555 US grants and 338 published applications in this corpus.
Search patents in G03G- Granted patents
- 555
- Published applications
- 338
- Assignees
- 90
- Inventors
- 1,017
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 12 | 0 |
| 1987 | 6 | 0 |
| 1988 | 11 | 0 |
| 1989 | 20 | 0 |
| 1990 | 12 | 0 |
| 1991 | 17 | 0 |
| 1992 | 15 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 15 | 0 |
| 1997 | 12 | 0 |
| 1998 | 17 | 0 |
| 1999 | 12 | 0 |
| 2000 | 16 | 0 |
| 2001 | 18 | 5 |
| 2002 | 22 | 16 |
| 2003 | 12 | 8 |
| 2004 | 9 | 11 |
| 2005 | 9 | 33 |
| 2006 | 17 | 26 |
| 2007 | 24 | 26 |
| 2008 | 19 | 32 |
| 2009 | 17 | 24 |
| 2010 | 31 | 30 |
| 2011 | 22 | 24 |
| 2012 | 28 | 7 |
| 2013 | 20 | 7 |
| 2014 | 12 | 6 |
| 2015 | 6 | 4 |
| 2016 | 9 | 6 |
| 2017 | 2 | 8 |
| 2018 | 10 | 11 |
| 2019 | 13 | 7 |
| 2020 | 3 | 4 |
| 2021 | 4 | 5 |
| 2022 | 10 | 9 |
| 2023 | 5 | 5 |
| 2024 | 4 | 4 |
| 2025 | 3 | 8 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image forming apparatus11 Aug 2026US 12,704,809 B2Canon Kabushiki Kaisha
- Developer accommodating container and image forming apparatus7 Jul 2026US 12,675,062 B2Canon Kabushiki Kaisha
- Image forming apparatus16 Jun 2026US 12,656,720 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus including motor supported by frame member and metal plates7 Apr 2026US 12,596,324 B2Canon Kabushiki Kaisha
- Process cartridge17 Mar 2026US 12,578,677 B2Canon Kabushiki Kaisha
- Image forming apparatus8 Oct 2026US 2026/0310118 A1Canon Kabushiki Kaisha
- Developer accommodating container and image forming apparatus1 Oct 2026US 2026/0299464 A1Canon Kabushiki Kaisha
- Image forming apparatus10 Sep 2026US 2026/0267280 A1Canon Kabushiki Kaisha
- Cartridge and image forming apparatus9 Jul 2026US 2026/0194853 A1Canon Kabushiki Kaisha
- Image forming apparatus25 Jun 2026US 2026/0177970 A1
Most cited
By later US patents
- Process cartridge and image forming apparatus280US 5,585,889 ACanon Kabushiki Kaisha · 1996
- Password protected memory on replaceable components for printing devices182US 6,738,903 B1Hewlett-Packard Development Company, L. P. · 2004
- Electrophotographic photosensitive drum supporting apparatus, process cartridge and electrophotographic image forming apparatus179US 7,184,690 B2Canon Kabushiki Kaisha · 2007
- Rotary member a process cartridge and an assembling method for rolling members173US 5,463,446 ACanon Kabushiki Kaisha · 1995
- Process cartridge, assembling method for process cartridge and electrophotographic image forming apparatus172US 5,878,310 ACanon Kabushiki Kaisha · 1999