G03G 15/326
By application of light
Official title: {by application of light, e.g. using a LED array}
G03G15/326 (By application of light) appears on 566 US grants and 509 published applications in this corpus.
Search patents in G03G- Granted patents
- 566
- Published applications
- 509
- Assignees
- 113
- Inventors
- 964
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 8 | 0 |
| 1993 | 13 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 13 | 0 |
| 1998 | 19 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 12 | 5 |
| 2002 | 7 | 4 |
| 2003 | 4 | 4 |
| 2004 | 5 | 12 |
| 2005 | 3 | 8 |
| 2006 | 5 | 29 |
| 2007 | 8 | 27 |
| 2008 | 12 | 74 |
| 2009 | 18 | 95 |
| 2010 | 57 | 98 |
| 2011 | 52 | 81 |
| 2012 | 80 | 16 |
| 2013 | 62 | 10 |
| 2014 | 40 | 5 |
| 2015 | 5 | 0 |
| 2016 | 6 | 4 |
| 2017 | 6 | 1 |
| 2018 | 1 | 3 |
| 2019 | 4 | 10 |
| 2020 | 8 | 5 |
| 2021 | 5 | 3 |
| 2022 | 4 | 0 |
| 2023 | 1 | 3 |
| 2024 | 2 | 1 |
| 2025 | 0 | 4 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image forming apparatus that can perform light amount calibration to adjust the density of a half tone image30 Jun 2026US 12,669,764 B2KYOCERA Document Solutions Inc.
- Image forming apparatus including motor supported by frame member and metal plates7 Apr 2026US 12,596,324 B2Canon Kabushiki Kaisha
- Exposure head and image forming apparatus17 Mar 2026US 12,578,668 B2Canon Kabushiki Kaisha
- Imaging device and imaging method thereof, and printer13 Jan 2026US 12,523,946 B2Faith Billion Technology Development Limited
- Image forming apparatus having improved structure for fixing an exposure unit to a frame10 Sep 2024US 12,085,889 B2Canon Kabushiki Kaisha
- Image forming apparatus3 Sep 2026US 2026/0259517 A1Canon Kabushiki Kaisha
- Exposure head and image forming apparatus25 Jun 2026US 2026/0177942 A1Canon Kabushiki Kaisha
- Image writing device and image forming apparatus26 Mar 2026US 2026/0086472 A1FUJIFILM Business Innovation Corp.
- Image formation system22 Jan 2026US 2026/0023341 A1FUJIFILM Business Innovation Corp.
- Light emitting device, exposing device, and image forming apparatus8 Jan 2026US 2026/0010094 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Method of calibrating a spatial light modulator printing system280US 5,842,088 ATexas Instruments Incorporated · 1998
- Method for MICR encoding of checks using laser printers and confirmation of MICR positioning161US 5,347,302 A1994
- Spatial light modulator printer and method of operation107US 5,041,851 ATexas Instruments Incorporated · 1991
- Electrophotographic printing subsystem with self-monitoring and adjustment92US 5,797,060 AAgfa-Gevaert · 1998
- Image forming apparatus and image forming method for forming color images by gray-level image forming technique91US 6,249,304 B1Ricoh Company, Ltd. · 2001