G03G 15/18
Of a charge pattern
Official title: of a charge pattern
G03G15/18 (Of a charge pattern) appears on 76 US grants and 24 published applications in this corpus.
Search patents in G03G- Granted patents
- 76
- Published applications
- 24
- Assignees
- 35
- Inventors
- 134
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 4 |
| 2014 | 2 | 0 |
| 2015 | 3 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 2 | 10 |
| 2019 | 9 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus7 Apr 2026US 12,596,311 B2FUJIFILM Business Innovation Corp.
- Intermediate transfer unit and image forming apparatus19 Nov 2024US 12,147,174 B2KYOCERA Document Solutions Inc.
- Light-emitting component having light-absorbing layer, light-emitting device, and image forming apparatus22 Jun 2021US 11,043,530 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus and image forming method24 Mar 2020US 10,599,079 B2Kabushiki Kaisha Toshiba
- Light-emitting component, light-emitting device, and image forming apparatus8 Oct 2019US 10,438,990 B2Fuji Xerox Co., Ltd.
- Metal Image Forming Method20 Mar 2025US 2025/0092504 A1ePrint Laboratories Co., Ltd.
- Intermediate transfer unit and image forming apparatus2 May 2024US 2024/0142899 A1KYOCERA Document Solutions Inc.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus14 Sep 2023US 2023/0288847 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus and image forming method18 Apr 2019US 2019/0113869 A1Kabushiki Kaisha Toshiba
- Transfer device and image forming apparatus20 Dec 2018US 2018/0364617 A1Fuji Xerox Co., Ltd.
Most cited
By later US patents
- Method for recording and reproducing information, apparatus therefor and recording medium175US 5,638,103 ADai Nippon Printing Co.Ltd. · 1997
- Three electrode system in the generation of electrostatic images112US 4,160,257 ADennison Manufacturing Company · 1979
- Print method and apparatus for re-writable medium90US 5,866,284 AHewlett-Packard Company · 1999
- Method for recording and reproducing information, apparatus therefor and recording medium64US 5,161,233 ADai Nippon Printing Co.Ltd. · 1992
- Print method and apparatus for re-writable medium64US 6,045,955 AHewlett-Packard Company · 2000