H04N 1/00997
Light control
Official title: {Light control, e.g. shielding from ambient light or preventing light leakage}
H04N1/00997 (Light control) appears on 77 US grants and 91 published applications in this corpus.
Search patents in H04N- Granted patents
- 77
- Published applications
- 91
- Assignees
- 36
- Inventors
- 153
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 3 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 4 |
| 2010 | 0 | 4 |
| 2011 | 0 | 2 |
| 2012 | 5 | 3 |
| 2013 | 4 | 6 |
| 2014 | 6 | 5 |
| 2015 | 7 | 9 |
| 2016 | 8 | 6 |
| 2017 | 4 | 3 |
| 2018 | 0 | 12 |
| 2019 | 12 | 13 |
| 2020 | 11 | 7 |
| 2021 | 8 | 5 |
| 2022 | 4 | 2 |
| 2023 | 3 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Laser containment structure for a laser printhead17 Feb 2026US 12,552,189 B2Zebra Technologies Corporation
- Image reading device, image forming apparatus, and feed tray comprising a sterilizing light source to sterilize a sheet23 Apr 2024US 11,968,341 B2Ricoh Company, Ltd.
- Image reading device with display disposed between camera and placement section22 Aug 2023US 11,736,636 B2FUJIFILM Business Innovation Corp.
- Microarrayer for dispensing reagent on a substrate and a method for obtaining images of the substrate during the operation of said microarrayer1 Aug 2023US 11,716,427 B2Arrayjet Limited
- Laser containment structure for a laser printhead16 May 2023US 11,648,789 B2Zebra Technologies Corporation
- Image inspection apparatus and printing apparatus29 Jan 2026US 2026/0029333 A1SCREEN Holdings Co., Ltd.
- Recording apparatus and medium supporting device4 Apr 2024US 2024/0114100 A1Seiko Epson Corporation
- Laser Containment Structure for a Laser Printhead27 Jul 2023US 2023/0234386 A1Zebra Technologies Corporation
- Image reading device23 Feb 2023US 2023/0053499 A1FUJIFILM Business Innovation Corp.
- Image reading device, image forming apparatus, and feed tray24 Nov 2022US 2022/0377197 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Image scanner and image scanning method14US 7,639,404 B2Brother Kogyo Kabushiki Kaisha · 2009
- Image reading apparatus12US 9,041,985 B2Pfu Limited · 2015
- Image scanner and image scanning method11US 8,253,986 B2Brother Kogyo Kabushiki Kaisha · 2012
- Cover device for an image scanner8US 8,274,713 B22012
- Apparatus and a method for controlling a light source used for image reading7US 8,587,843 B2Ricoh Company, Ltd. · 2013