G03G 15/043
With means for controlling illumination or exposure
Official title: with means for controlling illumination or exposure (G03G15/041 takes precedence)
G03G15/043 (With means for controlling illumination or exposure) appears on 2,026 US grants and 1,906 published applications in this corpus.
Search patents in G03G- Granted patents
- 2,026
- Published applications
- 1,906
- Assignees
- 161
- Inventors
- 2,665
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 8 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 7 | 0 |
| 1983 | 10 | 0 |
| 1984 | 7 | 0 |
| 1985 | 16 | 0 |
| 1986 | 14 | 0 |
| 1987 | 27 | 0 |
| 1988 | 25 | 0 |
| 1989 | 26 | 0 |
| 1990 | 35 | 0 |
| 1991 | 33 | 0 |
| 1992 | 26 | 0 |
| 1993 | 38 | 0 |
| 1994 | 17 | 0 |
| 1995 | 13 | 0 |
| 1996 | 13 | 0 |
| 1997 | 20 | 0 |
| 1998 | 17 | 0 |
| 1999 | 22 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 2 |
| 2002 | 8 | 5 |
| 2003 | 5 | 9 |
| 2004 | 10 | 23 |
| 2005 | 8 | 19 |
| 2006 | 8 | 55 |
| 2007 | 18 | 56 |
| 2008 | 31 | 82 |
| 2009 | 35 | 117 |
| 2010 | 74 | 94 |
| 2011 | 64 | 102 |
| 2012 | 92 | 63 |
| 2013 | 95 | 113 |
| 2014 | 119 | 79 |
| 2015 | 121 | 143 |
| 2016 | 142 | 126 |
| 2017 | 119 | 124 |
| 2018 | 127 | 118 |
| 2019 | 123 | 98 |
| 2020 | 94 | 68 |
| 2021 | 54 | 50 |
| 2022 | 48 | 66 |
| 2023 | 48 | 61 |
| 2024 | 57 | 82 |
| 2025 | 48 | 105 |
| 2026 | 43 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Casing for optical scanning device, including positioning mechanism that positions main body on upper side with respect to main body on lower side, in horizontal and height directions, and optical scanning device having such casing6 Oct 2026US 12,752,559 B2KYOCERA Document Solutions Inc.
- Image carrier unit and image forming apparatus6 Oct 2026US 12,754,492 B2FUJIFILM Business Innovation Corp.
- Light emitting members6 Oct 2026US 12,754,493 B2Hewlett-Packard Development Company, L. P.
- Optical scanning device and image forming apparatus29 Sep 2026US 12,748,362 B2Canon Kabushiki Kaisha
- Image forming apparatus that scans photosensitive member using plurality of scan beams15 Sep 2026US 12,736,892 B2Canon Kabushiki Kaisha
- Image forming apparatus24 Sep 2026US 2026/0288030 A1Canon Kabushiki Kaisha
- Image forming apparatus that prints image by electrophotography17 Sep 2026US 2026/0277129 A1KYOCERA Document Solutions Inc.
- Image forming apparatus3 Sep 2026US 2026/0259517 A1Canon Kabushiki Kaisha
- Light emitting device, optical writing device using the same, and image forming system20 Aug 2026US 2026/0244125 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus20 Aug 2026US 2026/0244141 A1Etria Co., Ltd.
Most cited
By later US patents
- Lamp control scheme for rapid warmup of fluorescent lamp in office equipment160US 5,907,742 AHewlett-Packard Company · 1999
- Method, control circuit, computer program product and printing device for an electrophotographic process with temperature-compensated discharge depth regulation128US 7,027,078 B2Oce Printing Systems GmbH · 2006
- Spatial light modulator printer and method of operation107US 5,041,851 ATexas Instruments Incorporated · 1991
- Image forming apparatus correcting unevenness of potential distribution due to change of exposure spot shape of light beam on photosensitive member72US 9,703,230 B2Canon Kabushiki Kaisha · 2017
- Light energy control system and method of operation71US 5,101,236 ATexas Instruments Incorporated · 1992