G03G 5/0609
Containing oxygen
Official title: {containing oxygen}
G03G5/0609 (Containing oxygen) appears on 373 US grants and 247 published applications in this corpus.
Search patents in G03G- Granted patents
- 373
- Published applications
- 247
- Assignees
- 61
- Inventors
- 596
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 8 | 0 |
| 1985 | 13 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 13 | 0 |
| 1992 | 17 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 11 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 2 |
| 2002 | 10 | 6 |
| 2003 | 5 | 4 |
| 2004 | 2 | 14 |
| 2005 | 5 | 16 |
| 2006 | 7 | 17 |
| 2007 | 10 | 9 |
| 2008 | 12 | 12 |
| 2009 | 4 | 12 |
| 2010 | 11 | 2 |
| 2011 | 6 | 9 |
| 2012 | 8 | 8 |
| 2013 | 7 | 7 |
| 2014 | 14 | 15 |
| 2015 | 6 | 7 |
| 2016 | 9 | 9 |
| 2017 | 16 | 18 |
| 2018 | 11 | 12 |
| 2019 | 15 | 13 |
| 2020 | 14 | 16 |
| 2021 | 9 | 8 |
| 2022 | 2 | 5 |
| 2023 | 4 | 5 |
| 2024 | 1 | 8 |
| 2025 | 2 | 7 |
| 2026 | 4 | 6 |
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 apparatus9 Jun 2026US 12,650,655 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photosensitive member, process cartridge, and image forming apparatus17 Mar 2026US 12,578,662 B2KYOCERA Document Solutions Inc.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus17 Feb 2026US 12,554,207 B2FUJIFILM Business Innovation Corp.
- Electrophotographic apparatus and process cartridge10 Feb 2026US 12,547,087 B2Canon Kabushiki Kaisha
- Electrophotographic photosensitive member, process cartridge, and image forming apparatus14 Oct 2025US 12,443,118 B2KYOCERA Document Solutions Inc.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus10 Sep 2026US 2026/0267244 A1KYOCERA Document Solutions Inc.
- Electrophotographic photosensitive member, process cartridge, and image forming apparatus16 Jul 2026US 2026/0202771 A1KYOCERA Document Solutions Inc.
- Process cartridge and electrophotographic apparatus23 Apr 2026US 2026/0110979 A1Canon Kabushiki Kaisha
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus16 Apr 2026US 2026/0104653 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, and process cartridge and image forming apparatus including the same9 Apr 2026US 2026/0099102 A1Sharp Kabushiki Kaisha
Most cited
By later US patents
- Electrophotographic photoconductor containing disazo and trisazo pigments82US 5,578,405 ARicoh Company, Ltd. · 1996
- Layered photoreceptor with overcoat containing hydrogen bonded materials77US 5,368,967 AXerox Corporation · 1994
- Squarylium dye and diane blue dye charge generating layer mixture for electrophotographic light sensitive elements and processes64US 4,353,971 APitney Bowes Inc. · 1982
- Electrophotographic process utilizing an azulenium salt-containing photosensitive member57US 4,565,761 ACanon Kabushiki Kaisha · 1986
- Squarylium charge generating dye and electrophotographic photoconductor46US 4,677,045 AInternational Business Machines Corporation · 1987