G03G 5/144
Comprising inorganic material
Official title: {comprising inorganic material}
G03G5/144 (Comprising inorganic material) appears on 499 US grants and 425 published applications in this corpus.
Search patents in G03G- Granted patents
- 499
- Published applications
- 425
- Assignees
- 74
- Inventors
- 789
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 13 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 2 |
| 2002 | 7 | 9 |
| 2003 | 7 | 10 |
| 2004 | 7 | 10 |
| 2005 | 6 | 19 |
| 2006 | 8 | 34 |
| 2007 | 8 | 27 |
| 2008 | 17 | 26 |
| 2009 | 27 | 37 |
| 2010 | 23 | 24 |
| 2011 | 17 | 29 |
| 2012 | 27 | 16 |
| 2013 | 33 | 16 |
| 2014 | 16 | 18 |
| 2015 | 14 | 21 |
| 2016 | 22 | 21 |
| 2017 | 22 | 14 |
| 2018 | 18 | 19 |
| 2019 | 17 | 8 |
| 2020 | 11 | 29 |
| 2021 | 16 | 7 |
| 2022 | 3 | 3 |
| 2023 | 1 | 8 |
| 2024 | 1 | 7 |
| 2025 | 7 | 7 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus28 Jul 2026US 12,693,605 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photoconductor, method of manufacturing the same, and electrophotographic apparatus14 Jul 2026US 12,681,397 B2Fuji Electric Co., Ltd.
- Image forming unit and image forming apparatus9 Jun 2026US 12,650,654 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus9 Jun 2026US 12,650,656 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photosensitive member, process cartridge, and image forming apparatus11 Nov 2025US 12,468,255 B2KYOCERA Document Solutions Inc.
- Image forming apparatus24 Sep 2026US 2026/0288024 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus2 Jul 2026US 2026/0186430 A1KYOCERA Document Solutions Inc.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus14 May 2026US 2026/0133511 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus9 Apr 2026US 2026/0099103 A1KYOCERA Document Solutions Inc.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus27 Nov 2025US 2025/0362625 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Light-emitting device135US 7,872,259 B2Canon Kabushiki Kaisha · 2011
- Electrophotographic apparatus with photoreceptor having undercoat layer, containing an electronic transporting pigment and reactive organometallic compound116US 5,815,776 AFuji Xerox Co., Ltd. · 1998
- Blocking layer with light scattering particles having rough surface93US 6,156,468 AXerox Corporation · 2000
- Blocking layer with light scattering particles having coated core92US 6,255,027 B1Xerox Corporation · 2001
- Electrophotographic photoconductor and method of producing same91US 5,958,638 ASharp Kabushiki Kaisha · 1999