G03B 27/542
For copying cameras, reflex exposure lighting
Official title: {for copying cameras, reflex exposure lighting}
G03B27/542 (For copying cameras, reflex exposure lighting) appears on 201 US grants and 22 published applications in this corpus.
Search patents in G03B- Granted patents
- 201
- Published applications
- 22
- Assignees
- 73
- Inventors
- 333
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 11 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 3 | 0 |
| 1986 | 13 | 0 |
| 1987 | 10 | 0 |
| 1988 | 14 | 0 |
| 1989 | 14 | 0 |
| 1990 | 18 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 1 |
| 2004 | 2 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 2 | 2 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 2 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Print head13 May 2025US 12,298,679 B2Toshiba Tec Kabushiki Kaisha
- Illuminating device, image reading apparatus including the illuminating device, and image forming apparatus including the image reading apparatus28 Jul 2020US 10,728,413 B2Sharp Kabushiki Kaisha
- EUV exposure apparatus with reflective elements having reduced influence of temperature variation16 Jun 2020US 10,684,551 B2ASML Netherlands B. V.
- Illuminating device, image reading apparatus including the illuminating device, and image forming apparatus including the image reading apparatus25 Jun 2019US 10,334,133 B2Sharp Kabushiki Kaisha
- EUV exposure apparatus with reflective elements having reduced influence of temperature variation11 Jun 2019US 10,317,802 B2ASML Netherlands B. V.
- Print head27 Feb 2025US 2025/0068093 A1Toshiba Tec Kabushiki Kaisha
- Euv exposure apparatus with reflective elements having reduced influence of temperature variation10 Oct 2019US 2019/0310555 A1ASML Netherlands B. V.
- Illuminating device, image reading apparatus including the illuminating device, and image forming apparatus including the image reading apparatus12 Sep 2019US 2019/0281180 A1Sharp Kabushiki Kaisha
- Euv exposure apparatus with reflective elements having reduced influence of temperature variation18 Oct 2018US 2018/0299784 A1ASML Netherlands B. V.
- Illuminating device, image reading apparatus including the illuminating device, and image forming apparatus including the image reading apparatus4 Oct 2018US 2018/0288264 A1Sharp Kabushiki Kaisha
Most cited
By later US patents
- Colored light source providing intensification of initial source illumination139US 5,255,171 A1993
- Lamp unit104US 4,661,890 AKabushiki Kaisha Toshiba · 1987
- Linear illumination sources and systems93US 6,186,649 B1Honeywell International Inc. · 2001
- Exposure device with filter89US 5,018,054 ASharp Kabushiki Kaisha · 1991
- Electrophotocopier line scanning illuminator87US 4,427,286 APitney Bowes Inc. · 1984