G03G 5/0646
In the same ring system
Official title: {in the same ring system}
G03G5/0646 (In the same ring system) appears on 336 US grants and 215 published applications in this corpus.
Search patents in G03G- Granted patents
- 336
- Published applications
- 215
- Assignees
- 52
- Inventors
- 543
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 13 | 0 |
| 1993 | 2 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 17 | 0 |
| 1997 | 8 | 0 |
| 1998 | 14 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 12 | 2 |
| 2002 | 9 | 3 |
| 2003 | 6 | 5 |
| 2004 | 2 | 11 |
| 2005 | 3 | 17 |
| 2006 | 8 | 23 |
| 2007 | 14 | 13 |
| 2008 | 16 | 18 |
| 2009 | 11 | 14 |
| 2010 | 11 | 3 |
| 2011 | 9 | 7 |
| 2012 | 11 | 3 |
| 2013 | 3 | 4 |
| 2014 | 5 | 11 |
| 2015 | 8 | 9 |
| 2016 | 7 | 7 |
| 2017 | 4 | 3 |
| 2018 | 4 | 9 |
| 2019 | 13 | 11 |
| 2020 | 10 | 11 |
| 2021 | 11 | 4 |
| 2022 | 1 | 4 |
| 2023 | 1 | 5 |
| 2024 | 0 | 9 |
| 2025 | 3 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G03G 5/0651Containing four relevant rings118
- G03G 5/0659Containing more than seven relevant rings95
- G03G 5/0657Containing seven relevant rings85
- G03G 5/0648Containing two relevant rings64
- G03G 5/065Containing three relevant rings53
- G03G 5/0653Containing five relevant rings29
- G03G 5/0655Containing six relevant rings29
Recent patents
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus9 Jun 2026US 12,650,655 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 apparatus17 Feb 2026US 12,554,207 B2FUJIFILM Business Innovation Corp.
- 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 apparatus including electrophotographic photoreceptor22 Jul 2025US 12,366,813 B2Sharp Kabushiki Kaisha
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus24 Sep 2026US 2026/0288023 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus16 Apr 2026US 2026/0104653 A1FUJIFILM Business Innovation Corp.
- Compound, composition, and electrophotographic photoreceptor19 Feb 2026US 2026/0049081 A1Mitsubishi Chemical Corporation
- Electrophotographic apparatus17 Jul 2025US 2025/0231521 A1Canon Kabushiki Kaisha
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus22 May 2025US 2025/0164902 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Photoconductive imaging members with perylene pigment compositions332US 4,587,189 AXerox Corporation · 1986
- Electrophotographic apparatus with photoreceptor having undercoat layer, containing an electronic transporting pigment and reactive organometallic compound116US 5,815,776 AFuji Xerox Co., Ltd. · 1998
- Photoconductive imaging members111US 5,756,245 AXerox Corporation · 1998
- Electrophotographic photoconductor and method of producing same91US 5,958,638 ASharp Kabushiki Kaisha · 1999
- Electrophotographic recording material74US 3,972,717 AHoechst Aktiengesellschaft · 1976