G03G 5/0666
Containing a methine or polymethine group
Official title: {containing a methine or polymethine group}
G03G5/0666 (Containing a methine or polymethine group) appears on 508 US grants and 270 published applications in this corpus.
Search patents in G03G- Granted patents
- 508
- Published applications
- 270
- Assignees
- 84
- Inventors
- 796
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 8 | 0 |
| 1979 | 8 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 8 | 0 |
| 1983 | 15 | 0 |
| 1984 | 16 | 0 |
| 1985 | 7 | 0 |
| 1986 | 15 | 0 |
| 1987 | 10 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 21 | 0 |
| 1991 | 20 | 0 |
| 1992 | 21 | 0 |
| 1993 | 19 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 16 | 0 |
| 1998 | 15 | 0 |
| 1999 | 17 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 0 |
| 2002 | 7 | 5 |
| 2003 | 4 | 13 |
| 2004 | 10 | 15 |
| 2005 | 5 | 15 |
| 2006 | 10 | 32 |
| 2007 | 8 | 17 |
| 2008 | 16 | 15 |
| 2009 | 18 | 11 |
| 2010 | 10 | 10 |
| 2011 | 9 | 5 |
| 2012 | 14 | 5 |
| 2013 | 10 | 4 |
| 2014 | 7 | 14 |
| 2015 | 9 | 12 |
| 2016 | 8 | 11 |
| 2017 | 14 | 13 |
| 2018 | 9 | 16 |
| 2019 | 13 | 11 |
| 2020 | 14 | 14 |
| 2021 | 9 | 4 |
| 2022 | 1 | 5 |
| 2023 | 2 | 6 |
| 2024 | 0 | 10 |
| 2025 | 1 | 2 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image forming unit and image forming apparatus9 Jun 2026US 12,650,654 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus2 Jun 2026US 12,645,161 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus28 Apr 2026US 12,613,476 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus3 Feb 2026US 12,541,156 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, production method therefor, electrophotographic photoreceptor cartridge, and image forming apparatus18 Mar 2025US 12,253,823 B2Mitsubishi Chemical Corporation
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus23 Jul 2026US 2026/0211346 A1KYOCERA Document Solutions Inc.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus23 Jul 2026US 2026/0211347 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, and process cartridge and image forming apparatus including the same9 Apr 2026US 2026/0099102 A1Sharp Kabushiki Kaisha
- Electrophotographic apparatus19 Mar 2026US 2026/0079414 A1Canon Kabushiki Kaisha
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus29 Jan 2026US 2026/0029727 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Hydrazone containing charge transport element and photoconductive process of using same191US 4,150,987 AInternational Business Machines Corporation · 1979
- Electrophotographic photoconductor containing disazo and trisazo pigments82US 5,578,405 ARicoh Company, Ltd. · 1996
- Charge transfer layer with styryl hydrazones72US 4,385,106 ARicoh Company, Ltd. · 1983
- Electrophotographic photosensitive member57US 4,399,208 ACanon Kabushiki Kaisha · 1983
- Electrophotographic process utilizing an azulenium salt-containing photosensitive member57US 4,565,761 ACanon Kabushiki Kaisha · 1986