H04N 2201/03112
Light source
H04N2201/03112 (Light source) appears on 202 US grants and 167 published applications in this corpus.
Search patents in H04N- Granted patents
- 202
- Published applications
- 167
- Assignees
- 72
- Inventors
- 325
- Latest grant
- 23 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 5 |
| 2002 | 12 | 10 |
| 2003 | 9 | 17 |
| 2004 | 9 | 13 |
| 2005 | 10 | 18 |
| 2006 | 9 | 18 |
| 2007 | 6 | 9 |
| 2008 | 12 | 11 |
| 2009 | 12 | 18 |
| 2010 | 14 | 14 |
| 2011 | 12 | 8 |
| 2012 | 10 | 7 |
| 2013 | 8 | 2 |
| 2014 | 4 | 6 |
| 2015 | 5 | 6 |
| 2016 | 5 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical line sensor with pair of holding members separably attached at ends of illumination and light receiving units23 Jan 2024US 11,882,254 B2Vienex Corporation
- Image reading device24 Aug 2021US 11,102,369 B2Mitsubishi Electric Corporation
- Optical information reader18 May 2021US 11,010,573 B2Denso Wave Incorporated
- Photoelectric conversion device, image reading device, and image forming apparatus8 May 2018US 9,967,488 B2Canon Kabushiki Kaisha
- Image sensor module10 Oct 2017US 9,784,611 B2Rohm Co., Ltd.
- Optical line sensor23 Nov 2023US 2023/0379420 A1Vienex Corporation
- Image reading device15 Jul 2021US 2021/0218861 A1Mitsubishi Electric Corporation
- Optical information reader28 May 2020US 2020/0167536 A1Denso Wave Incorporated
- Photoelectric conversion device, image reading device, and image forming apparatus19 Jan 2017US 2017/0019619 A1Canon Kabushiki Kaisha
- Arrangement for and method of differently illuminating targets to be electro-optically read in different day and night modes of operation10 Nov 2016US 2016/0330341 A1Symbol Technologies, Inc.
Most cited
By later US patents
- Contact type image sensor, producing method of the same, and information processing apparatus133US 5,489,995 ACanon Kabushiki Kaisha · 1996
- Contact-type image sensor126US 6,166,832 ARohm Co., Ltd. · 2000
- Document reading apparatus, having a body unit for holding apparatus components116US 5,399,850 AKYOCERA Corporation · 1995
- Image sensor unit and image reading apparatus having the unit110US 4,783,700 ACanon Kabushiki Kaisha · 1988
- Read head incorporating an image pick-up function103US 5,317,146 AOki Electric Industry Co., Ltd. · 1994