G06K 15/1247
Using an array of light sources
Official title: {using an array of light sources, e.g. a linear array}
G06K15/1247 (Using an array of light sources) appears on 333 US grants and 154 published applications in this corpus.
Search patents in G06K- Granted patents
- 333
- Published applications
- 154
- Assignees
- 93
- Inventors
- 525
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 16 | 0 |
| 1990 | 24 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 16 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 11 | 0 |
| 1998 | 15 | 0 |
| 1999 | 12 | 0 |
| 2000 | 12 | 0 |
| 2001 | 16 | 4 |
| 2002 | 8 | 9 |
| 2003 | 10 | 8 |
| 2004 | 8 | 14 |
| 2005 | 4 | 11 |
| 2006 | 11 | 9 |
| 2007 | 8 | 11 |
| 2008 | 4 | 9 |
| 2009 | 4 | 8 |
| 2010 | 10 | 12 |
| 2011 | 8 | 5 |
| 2012 | 7 | 10 |
| 2013 | 12 | 1 |
| 2014 | 6 | 4 |
| 2015 | 4 | 4 |
| 2016 | 2 | 2 |
| 2017 | 2 | 2 |
| 2018 | 3 | 3 |
| 2019 | 5 | 3 |
| 2020 | 0 | 0 |
| 2021 | 4 | 5 |
| 2022 | 3 | 4 |
| 2023 | 6 | 5 |
| 2024 | 2 | 5 |
| 2025 | 4 | 5 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus15 Sep 2026US 12,734,829 B2Canon Kabushiki Kaisha
- Image forming apparatus with cooling configuration8 Sep 2026US 12,730,409 B2Canon Kabushiki Kaisha
- Exposure head and image forming apparatus17 Mar 2026US 12,578,668 B2Canon Kabushiki Kaisha
- Image forming apparatus including exposure head provided with plurality of light emitting chips20 May 2025US 12,306,554 B2Canon Kabushiki Kaisha
- Image forming apparatus with cooling configuration13 May 2025US 12,298,708 B2Canon Kabushiki Kaisha
- Exposure head and image forming apparatus25 Jun 2026US 2026/0177942 A1Canon Kabushiki Kaisha
- Communication system and image-forming apparatus14 Aug 2025US 2025/0258460 A1
- Image forming apparatus including exposure head provided with plurality of light emitting chips7 Aug 2025US 2025/0251677 A1Canon Kabushiki Kaisha
- Image forming apparatus31 Jul 2025US 2025/0244715 A1Canon Kabushiki Kaisha
- Light-emitting chip including plurality of light-emitting portions, and image-forming apparatus29 May 2025US 2025/0172887 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Control of a light emitting diode array192US 4,455,562 APitney Bowes Inc. · 1984
- Optical exposure unit for electrophotographic printing device108US 4,435,064 ARicoh Company, Ltd. · 1984
- Led printhead and driver chip for use therewith having boundary scan test architecture101US 5,859,657 AEastman Kodak Company · 1999
- Parallel LED exposure control system79US 4,525,729 APolaroid Corporation · 1985
- Dot printer having means for correcting intensity variations66US 4,596,995 ACanon Kabushiki Kaisha · 1986