B41J 2/447
Using arrays of radiation sources
Official title: using arrays of radiation sources (B41J2/475 takes precedence)
B41J2/447 (Using arrays of radiation sources) appears on 1,557 US grants and 1,216 published applications in this corpus.
Search patents in B41J- Granted patents
- 1,557
- Published applications
- 1,216
- Assignees
- 329
- Inventors
- 2,237
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 10 | 0 |
| 1987 | 5 | 0 |
| 1988 | 20 | 0 |
| 1989 | 20 | 0 |
| 1990 | 43 | 0 |
| 1991 | 23 | 0 |
| 1992 | 28 | 0 |
| 1993 | 26 | 0 |
| 1994 | 31 | 0 |
| 1995 | 24 | 0 |
| 1996 | 29 | 0 |
| 1997 | 35 | 0 |
| 1998 | 56 | 0 |
| 1999 | 54 | 0 |
| 2000 | 51 | 0 |
| 2001 | 67 | 19 |
| 2002 | 58 | 59 |
| 2003 | 55 | 55 |
| 2004 | 55 | 64 |
| 2005 | 39 | 67 |
| 2006 | 40 | 63 |
| 2007 | 36 | 60 |
| 2008 | 29 | 62 |
| 2009 | 32 | 94 |
| 2010 | 63 | 91 |
| 2011 | 73 | 80 |
| 2012 | 69 | 50 |
| 2013 | 73 | 46 |
| 2014 | 53 | 22 |
| 2015 | 49 | 41 |
| 2016 | 33 | 30 |
| 2017 | 35 | 34 |
| 2018 | 25 | 33 |
| 2019 | 25 | 24 |
| 2020 | 30 | 36 |
| 2021 | 30 | 26 |
| 2022 | 19 | 34 |
| 2023 | 15 | 27 |
| 2024 | 24 | 20 |
| 2025 | 21 | 52 |
| 2026 | 16 | 27 |
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
- Exposure apparatus and image-forming apparatus8 Sep 2026US 12,730,252 B2Canon Kabushiki Kaisha
- Exposure apparatus and image-forming apparatus8 Sep 2026US 12,730,391 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 medium1 Oct 2026US 2026/0296003 A1Canon Kabushiki Kaisha
- 3d package for semiconductor thermal management17 Sep 2026US 2026/0273956 A1Genesee Valley Innovations, LLC
- System for laser marking of products27 Aug 2026US 2026/0249618 A1Husky Injection Molding Systems Ltd.
- Light scanning apparatus and image forming apparatus including the same27 Aug 2026US 2026/0251996 A1Canon Kabushiki Kaisha
- Marking method and marked receptacle20 Aug 2026US 2026/0241709 A1Airnov, Inc.
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