G03G 5/14756
Polycarbonates
Official title: {Polycarbonates}
G03G5/14756 (Polycarbonates) appears on 177 US grants and 169 published applications in this corpus.
Search patents in G03G- Granted patents
- 177
- Published applications
- 169
- Assignees
- 28
- Inventors
- 367
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 3 |
| 2003 | 2 | 6 |
| 2004 | 5 | 4 |
| 2005 | 3 | 4 |
| 2006 | 2 | 8 |
| 2007 | 4 | 15 |
| 2008 | 4 | 12 |
| 2009 | 11 | 11 |
| 2010 | 10 | 4 |
| 2011 | 12 | 12 |
| 2012 | 9 | 12 |
| 2013 | 9 | 15 |
| 2014 | 14 | 15 |
| 2015 | 19 | 8 |
| 2016 | 10 | 4 |
| 2017 | 7 | 6 |
| 2018 | 3 | 5 |
| 2019 | 6 | 3 |
| 2020 | 3 | 4 |
| 2021 | 3 | 5 |
| 2022 | 4 | 1 |
| 2023 | 1 | 3 |
| 2024 | 0 | 3 |
| 2025 | 0 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Scratch-resistant and durable electrophotographic photoreceptor2 Jun 2026US 12,645,160 B2Hong Kong Applied Science and Technology Research Institute Company Limited
- Fluorine-containing resin particle, composition, layer-shaped article, electrophotographic photoreceptor, process cartridge, and image forming apparatus4 Jul 2023US 11,693,329 B2FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus6 Sep 2022US 11,435,674 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus and process cartridge9 Aug 2022US 11,409,233 B2Canon Kabushiki Kaisha
- Fluorine-containing resin particle, composition, layer-shaped article, electrophotographic photoreceptor, process cartridge, and image forming apparatus17 May 2022US 11,333,987 B2FUJIFILM Business Innovation Corp.
- Electrophotographic member, process cartridge and electrophotographic image forming apparatus11 Jun 2026US 2026/0161106 A1Canon Kabushiki Kaisha
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus14 May 2026US 2026/0133512 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus29 Jan 2026US 2026/0029727 A1FUJIFILM Business Innovation Corp.
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus15 May 2025US 2025/0155831 A1Canon Kabushiki Kaisha
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus1 May 2025US 2025/0138443 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus52US 7,645,547 B2Canon Kabushiki Kaisha · 2010
- Process for forming uneven structure on surface of surface layer of cylindrical electrophotographic photosensitive member, and process for producing cylindrical electrophotographic photosensitive member having uneven structure formed on surface of surface layer of same38US 9,114,565 B2Canon Kabushiki Kaisha · 2015
- Electrophotographic recording material with abrasion resistant overcoat32US 4,390,609 AHoechst Aktiengesellschaft · 1983
- Phase-change optical recording medium32US 7,214,416 B2Kabushiki Kaisha Toshiba · 2007
- Process cartridge and electrophotographic apparatus31US 10,545,453 B2Canon Kabushiki Kaisha · 2020