G03G 5/0668
Containing only one methine or polymethine group
Official title: {containing only one methine or polymethine group}
G03G5/0668 (Containing only one methine or polymethine group) appears on 327 US grants and 110 published applications in this corpus.
Search patents in G03G- Granted patents
- 327
- Published applications
- 110
- Assignees
- 74
- Inventors
- 581
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 8 | 0 |
| 1983 | 15 | 0 |
| 1984 | 14 | 0 |
| 1985 | 5 | 0 |
| 1986 | 15 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 20 | 0 |
| 1991 | 13 | 0 |
| 1992 | 16 | 0 |
| 1993 | 15 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 11 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 1 |
| 2003 | 3 | 4 |
| 2004 | 2 | 7 |
| 2005 | 3 | 8 |
| 2006 | 3 | 19 |
| 2007 | 4 | 10 |
| 2008 | 10 | 9 |
| 2009 | 12 | 7 |
| 2010 | 5 | 1 |
| 2011 | 6 | 1 |
| 2012 | 6 | 3 |
| 2013 | 3 | 1 |
| 2014 | 4 | 6 |
| 2015 | 5 | 3 |
| 2016 | 4 | 1 |
| 2017 | 3 | 2 |
| 2018 | 1 | 9 |
| 2019 | 7 | 5 |
| 2020 | 6 | 6 |
| 2021 | 6 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 4 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Electrophotographic photosensitive member, process cartridge, and image forming apparatus17 Aug 2021US 11,092,904 B2KYOCERA Document Solutions Inc.
- Electrophotographic photoreceptor, method for manufacturing same, and electrophotographic device15 Jun 2021US 11,036,151 B2Fuji Electric Co., Ltd.
- Electrophotographic photoconductor, image forming apparatus, and process cartridge25 May 2021US 11,016,403 B2Ricoh Company, Ltd.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus23 Jul 2026US 2026/0211347 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, cartridge using same, and image forming device17 Aug 2023US 2023/0259046 A1Mitsubishi Chemical Corporation
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus10 Aug 2023US 2023/0251586 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus6 Apr 2023US 2023/0107087 A1FUJIFILM Business Innovation Corp.
- Electrophotographic Photoreceptor, Electrophotographic Photoreceptor Cartridge, and Image Formation Device2 Mar 2023US 2023/0068130 A1Mitsubishi Chemical Corporation
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