G03G 5/061443
Benzidine
Official title: {benzidine}
G03G5/061443 (Benzidine) appears on 571 US grants and 536 published applications in this corpus.
Search patents in G03G- Granted patents
- 571
- Published applications
- 536
- Assignees
- 47
- Inventors
- 695
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 14 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 14 | 0 |
| 1999 | 16 | 0 |
| 2000 | 7 | 0 |
| 2001 | 17 | 0 |
| 2002 | 9 | 7 |
| 2003 | 3 | 12 |
| 2004 | 12 | 18 |
| 2005 | 9 | 18 |
| 2006 | 14 | 34 |
| 2007 | 13 | 30 |
| 2008 | 22 | 70 |
| 2009 | 34 | 85 |
| 2010 | 55 | 29 |
| 2011 | 66 | 34 |
| 2012 | 38 | 19 |
| 2013 | 24 | 20 |
| 2014 | 21 | 18 |
| 2015 | 21 | 26 |
| 2016 | 13 | 11 |
| 2017 | 14 | 22 |
| 2018 | 13 | 22 |
| 2019 | 21 | 15 |
| 2020 | 14 | 9 |
| 2021 | 3 | 3 |
| 2022 | 3 | 5 |
| 2023 | 4 | 9 |
| 2024 | 3 | 14 |
| 2025 | 3 | 1 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming unit and image forming apparatus9 Jun 2026US 12,650,654 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus26 May 2026US 12,638,805 B2Canon Kabushiki Kaisha
- Polyarylate resin and electrophotographic photosensitive member12 May 2026US 12,624,159 B2KYOCERA Document Solutions Inc.
- Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus5 May 2026US 12,619,171 B2Canon Kabushiki Kaisha
- Image forming apparatus3 Feb 2026US 12,541,156 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and method of producing electrophotographic photosensitive member13 Aug 2026US 2026/0235972 A1Canon Kabushiki Kaisha
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus6 Aug 2026US 2026/0227719 A1Canon Kabushiki Kaisha
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus23 Jul 2026US 2026/0211346 A1KYOCERA Document Solutions Inc.
- Electrophotographic photosensitive member, process cartridge, and image forming apparatus16 Jul 2026US 2026/0202771 A1KYOCERA Document Solutions Inc.
- Electrophotographic apparatus19 Mar 2026US 2026/0079414 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Imaging system with a diamine charge transport material in a polycarbonate resin688US 4,265,990 AXerox Corporation · 1981
- Photoconductive imaging members with perylene pigment compositions332US 4,587,189 AXerox Corporation · 1986
- Aromatic amino charge transport layer in electrophotography116US 4,299,897 AXerox Corporation · 1981
- Imaging system with a diamine charge transport material in a polycarbonate resin113US 4,306,008 AXerox Corporation · 1981
- Photoresponsive imaging members with chloroindium phthalocyanine compositions103US 4,555,463 AXerox Corporation · 1985