G03G 13/04
Exposing, i.e. imagewise exposure by optically projecting the original image on a
Official title: Exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
G03G13/04 (Exposing, i.e. imagewise exposure by optically projecting the original image on a) appears on 61 US grants and 33 published applications in this corpus.
Search patents in G03G- Granted patents
- 61
- Published applications
- 33
- Assignees
- 28
- Inventors
- 143
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 7 |
| 2014 | 6 | 8 |
| 2015 | 8 | 3 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 2 | 2 |
| 2022 | 3 | 3 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Controlling exposure apparatus used in image forming apparatus30 Dec 2025US 12,510,840 B2Canon Kabushiki Kaisha
- Image forming apparatus9 Jul 2024US 12,032,319 B2Canon Kabushiki Kaisha
- Light guide device, drum unit, image forming apparatus and image reading device including light guide device30 Apr 2024US 11,971,667 B2KYOCERA Document Solutions Inc.
- Image forming apparatus7 Jun 2022US 11,353,804 B2Canon Kabushiki Kaisha
- Transfer device for making up keratin materials15 Mar 2022US 11,272,777 B2L'oreal
- Controlling exposure apparatus used in image forming apparatus4 Apr 2024US 2024/0111248 A1Canon Kabushiki Kaisha
- Image forming apparatus18 Aug 2022US 2022/0260936 A1Canon Kabushiki Kaisha
- Transfer device for making up keratin materials7 Apr 2022US 2022/0104603 A1L'oreal
- Light guide device, drum unit, image forming apparatus and image reading device including light guide device27 Jan 2022US 2022/0026827 A1KYOCERA Document Solutions Inc.
- Pattern discharge to photoconductor15 Apr 2021US 2021/0109474 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Electrostatic image forming method13US 4,628,017 ARicoh Company, Ltd. · 1986
- Electrophotographic photoreceptor with phthalocyanine in phenol resin binder12US 4,218,528 AKonishiroku Photo Industry Co., Ltd. · 1980
- Method of electrophotography using low intensity exposive12US 4,256,820 ASavin Corporation · 1981
- Electrophotographic process and apparatus for making plural copies from a single image12US 4,407,918 AOlympus Optical Co., Ltd. · 1983
- Contrast of electrostatic latent images with a light flooding step11US 3,963,488 AGAF Corporation · 1976