B41J 2/45
Using light-emitting diode [led] or laser arrays
Official title: using light-emitting diode {[LED] or laser} arrays
B41J2/45 (Using light-emitting diode [led] or laser arrays) appears on 1,275 US grants and 973 published applications in this corpus.
Search patents in B41J- Granted patents
- 1,275
- Published applications
- 973
- Assignees
- 256
- Inventors
- 1,816
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 15 | 0 |
| 1989 | 16 | 0 |
| 1990 | 33 | 0 |
| 1991 | 22 | 0 |
| 1992 | 22 | 0 |
| 1993 | 20 | 0 |
| 1994 | 28 | 0 |
| 1995 | 21 | 0 |
| 1996 | 28 | 0 |
| 1997 | 33 | 0 |
| 1998 | 44 | 0 |
| 1999 | 43 | 0 |
| 2000 | 42 | 0 |
| 2001 | 51 | 17 |
| 2002 | 50 | 54 |
| 2003 | 51 | 52 |
| 2004 | 51 | 56 |
| 2005 | 34 | 58 |
| 2006 | 38 | 57 |
| 2007 | 32 | 53 |
| 2008 | 24 | 58 |
| 2009 | 30 | 85 |
| 2010 | 58 | 88 |
| 2011 | 69 | 68 |
| 2012 | 64 | 44 |
| 2013 | 64 | 32 |
| 2014 | 42 | 16 |
| 2015 | 33 | 28 |
| 2016 | 24 | 16 |
| 2017 | 20 | 15 |
| 2018 | 13 | 17 |
| 2019 | 14 | 18 |
| 2020 | 17 | 22 |
| 2021 | 21 | 20 |
| 2022 | 14 | 26 |
| 2023 | 14 | 21 |
| 2024 | 16 | 10 |
| 2025 | 16 | 26 |
| 2026 | 11 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- OLED print head30 Jun 2026US 12,668,069 B2Avision Inc.
- Printing apparatus, printing method, and storage medium23 Jun 2026US 12,661,882 B2Canon Kabushiki Kaisha
- 3D package for semiconductor thermal management2 Jun 2026US 12,643,333 B2Genesee Valley Innovations, LLC
- Printing apparatus, printing method, and storage medium1 Oct 2026US 2026/0296003 A1Canon Kabushiki Kaisha
- 3d package for semiconductor thermal management17 Sep 2026US 2026/0273956 A1Genesee Valley Innovations, LLC
- Marking method and marked receptacle20 Aug 2026US 2026/0241709 A1Airnov, Inc.
- Exposure head and image forming apparatus25 Jun 2026US 2026/0177942 A1Canon Kabushiki Kaisha
- Organic compound and organic light-emitting element7 May 2026US 2026/0130110 A1
Most cited
By later US patents
- Down-loadable hand-held optical reader271US 6,119,944 ASymbol Technologies, Inc. · 2000
- Light emitting device comprising an organic LED array on an ultra thin substrate and process for forming same193US 5,482,896 AEastman Kodak Company · 1996
- Control of a light emitting diode array192US 4,455,562 APitney Bowes Inc. · 1984
- Light modulator with a laser or laser array for exposing image data166US 5,521,748 AEastman Kodak Company · 1996
- Edge emitting type light emitting diode array heads136US 5,606,181 ARicoh Company, Ltd. · 1997