G03G 5/0564
Polycarbonates
Official title: {Polycarbonates}
G03G5/0564 (Polycarbonates) appears on 547 US grants and 521 published applications in this corpus.
Search patents in G03G- Granted patents
- 547
- Published applications
- 521
- Assignees
- 64
- Inventors
- 854
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 9 | 0 |
| 1993 | 10 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 20 | 0 |
| 1997 | 5 | 0 |
| 1998 | 13 | 0 |
| 1999 | 11 | 0 |
| 2000 | 17 | 0 |
| 2001 | 17 | 3 |
| 2002 | 13 | 10 |
| 2003 | 8 | 10 |
| 2004 | 7 | 15 |
| 2005 | 7 | 7 |
| 2006 | 12 | 36 |
| 2007 | 6 | 30 |
| 2008 | 21 | 43 |
| 2009 | 16 | 32 |
| 2010 | 30 | 25 |
| 2011 | 28 | 23 |
| 2012 | 23 | 29 |
| 2013 | 29 | 25 |
| 2014 | 34 | 28 |
| 2015 | 31 | 39 |
| 2016 | 27 | 19 |
| 2017 | 22 | 18 |
| 2018 | 19 | 27 |
| 2019 | 22 | 20 |
| 2020 | 19 | 20 |
| 2021 | 14 | 10 |
| 2022 | 5 | 4 |
| 2023 | 5 | 12 |
| 2024 | 0 | 12 |
| 2025 | 2 | 9 |
| 2026 | 7 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus29 Sep 2026US 12,748,356 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus25 Aug 2026US 12,717,251 B2Canon Kabushiki Kaisha
- Image forming unit and image forming apparatus9 Jun 2026US 12,650,654 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus7 Apr 2026US 12,596,311 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor and image forming device equipped therewith, and method for producing electrophotographic photoreceptor and charge transporting layer coating liquid used therefor24 Mar 2026US 12,585,206 B2Sharp Kabushiki Kaisha
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus24 Sep 2026US 2026/0288023 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, image forming apparatus, and functional layer17 Sep 2026US 2026/0277126 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus10 Sep 2026US 2026/0267276 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 2026/0133504 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Implantable device and methods for delivering drugs and other substances to treat sinusitis and other disorders1,387US 7,361,168 B2Acclarent, Inc. · 2008
- Electrophotographic Photoconductor62US 5,427,880 ARicoh Company, Ltd. · 1995
- Composite layered photoreceptor60US 4,081,274 AXerox Corporation · 1978
- Process for producing high-molecular-weight polycarbonate and electrophotographic photoreceptor using polycarbonate obtained by the process60US 6,136,946 AFuji Xerox Co., Ltd. · 2000
- Developer and image forming method55US 7,855,042 B2Canon Kabushiki Kaisha · 2010