H04N 2201/03125
Light guide upstream of the scanned picture elements
H04N2201/03125 (Light guide upstream of the scanned picture elements) appears on 68 US grants and 61 published applications in this corpus.
Search patents in H04N- Granted patents
- 68
- Published applications
- 61
- Assignees
- 18
- Inventors
- 106
- Latest grant
- 24 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 8 | 6 |
| 2003 | 5 | 4 |
| 2004 | 1 | 0 |
| 2005 | 1 | 4 |
| 2006 | 2 | 5 |
| 2007 | 1 | 0 |
| 2008 | 2 | 5 |
| 2009 | 5 | 8 |
| 2010 | 6 | 2 |
| 2011 | 2 | 2 |
| 2012 | 2 | 4 |
| 2013 | 0 | 3 |
| 2014 | 5 | 8 |
| 2015 | 7 | 6 |
| 2016 | 6 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Image reading device24 Aug 2021US 11,102,369 B2Mitsubishi Electric Corporation
- Image sensor module10 Oct 2017US 9,784,611 B2Rohm Co., Ltd.
- Light guide and image reading apparatus2 May 2017US 9,641,714 B2Mitsubishi Electric Corporation
- Contact image sensor, output correction device for contact image sensor, and output correction method for contact image sensor6 Dec 2016US 9,516,193 B2Mitsubishi Electric Corporation
- Image sensor unit and method for manufacturing image sensor unit27 Sep 2016US 9,456,105 B2Mitsubishi Electric Corporation
- Image reading device15 Jul 2021US 2021/0218861 A1Mitsubishi Electric Corporation
- Light guide and image reading apparatus14 Jan 2016US 2016/0014294 A1Mitsubishi Electric Corporation
- Image sensor unit and method for manufacturing image sensor unit31 Dec 2015US 2015/0381848 A1Mitsubishi Electric Corporation
- Image sensor module10 Sep 2015US 2015/0253186 A1Rohm Co., Ltd.
- Image sensor device3 Sep 2015US 2015/0249104 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Contact-type image sensor126US 6,166,832 ARohm Co., Ltd. · 2000
- Illuminating unit having diffusion means93US 6,858,837 B2Canon Kabushiki Kaisha · 2005
- Light guide, illuminating device having the light guide, and image reading device and information processing apparatus having the illuminating device74US 5,499,112 ACannon Kabushiki Kaisha · 1996
- Light guide, illuminating device having the light guide, and image reading device and information processing apparatus having the illuminating device56US 6,512,600 B1Canon Kabushiki Kaisha · 2003
- Contact image sensor unit including a detachable light guide supporting member and image reading apparatus using the same45US 9,253,359 B2Canon Components, Inc. · 2016