G03G 5/0631
Containing two hetero atoms
Official title: {containing two hetero atoms}
G03G5/0631 (Containing two hetero atoms) appears on 103 US grants and 58 published applications in this corpus.
Search patents in G03G- Granted patents
- 103
- Published applications
- 58
- Assignees
- 44
- Inventors
- 264
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 7 |
| 2007 | 1 | 2 |
| 2008 | 8 | 4 |
| 2009 | 1 | 3 |
| 2010 | 4 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 3 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 3 | 7 |
| 2019 | 5 | 4 |
| 2020 | 5 | 2 |
| 2021 | 1 | 3 |
| 2022 | 0 | 5 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Electrophotographic photosensitive member, process cartridge, and image forming apparatus14 Oct 2025US 12,443,118 B2KYOCERA Document Solutions Inc.
- Electrophotographic photoconductor, method of manufacturing the same, and electrophotographic device21 Feb 2023US 11,586,119 B2Fuji Electric Co., Ltd.
- Electrophotographic photoreceptor, process cartridge, image forming apparatus, and imide compound12 Jan 2021US 10,890,854 B2Fuji Xerox Co., Ltd.
- Photoreceptor for electrophotography, method for manufacturing the same, and electrophotographic device22 Sep 2020US 10,782,622 B2Fuji Electric Co., Ltd.
- Electrophotographic photoconductor, method of manufacturing the same, and electrophotographic apparatus18 Aug 2020US 10,747,129 B2Fuji Electric Co., Ltd.
- Electrophotographic apparatus31 Jul 2025US 2025/0244687 A1Canon Kabushiki Kaisha
- Electrophotographic photoconductor, electrophotographic photoconductor cartridge, and image formation device30 Jan 2025US 2025/0036035 A1Mitsubishi Chemical Corporation
- Electrophotographic photoreceptor, process cartridge and image-forming apparatus including electrophotographic photoreceptor19 Dec 2024US 2024/0419092 A1Sharp Kabushiki Kaisha
- Electrophotographic photosensitive member, process cartridge, and image forming apparatus13 Jun 2024US 2024/0192613 A1KYOCERA Document Solutions Inc.
- Electrophotographic photosensitive member, process cartridge, and image forming apparatus29 Dec 2022US 2022/0413404 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Photoreceptor69US 4,898,799 AKonica Corporation · 1990
- Photosensitive elements for electrophotography55US 4,278,746 AKonishiroku Photo Industry Co., Ltd. · 1981
- Phenothiazine or phenoxazine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor34US 5,942,615 ATakasago International Corporation · 1999
- Phenothiazine or phenoxazine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor28US 6,083,651 ATakasago International Corporation · 2000
- Electrophotographic photoreceptor containing a trisazo compound and a charge transport material27US 4,731,315 AFuji Photo Film Co., Ltd. · 1988