F21S 45/70
Prevention of harmful light leakage
F21S45/70 (Prevention of harmful light leakage) appears on 123 US grants and 141 published applications in this corpus.
Search patents in F21S- Granted patents
- 123
- Published applications
- 141
- Assignees
- 51
- Inventors
- 236
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 5 |
| 2012 | 2 | 3 |
| 2013 | 4 | 5 |
| 2014 | 3 | 8 |
| 2015 | 4 | 11 |
| 2016 | 5 | 14 |
| 2017 | 12 | 25 |
| 2018 | 20 | 21 |
| 2019 | 28 | 16 |
| 2020 | 18 | 4 |
| 2021 | 5 | 8 |
| 2022 | 5 | 3 |
| 2023 | 5 | 8 |
| 2024 | 7 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Projection device for vehicles29 Sep 2026US 12,747,845 B2Nippon Seiki Co., Ltd.
- Vehicle lamp, and control device and control method for same28 Oct 2025US 12,454,211 B2Koito Manufacturing Co., Ltd.
- Vehicle lamp having excitation light source, light conversion unit, and optical filter21 Jan 2025US 12,203,624 B2Ichikoh Industries, Ltd.
- Light emitting module20 Aug 2024US 12,068,578 B2Nichia Corporation
- Vehicle lamp30 Jul 2024US 12,049,993 B2Ichikoh Industries, Ltd.
- Projection device8 Oct 2026US 2026/0309300 A1Koito Manufacturing Co., Ltd.
- Light guide structure of side turn signal lamp20 Aug 2026US 2026/0243406 A1Murakami Corporation
- Light module for motor vehicle headlight28 May 2026US 2026/0146727 A1Valeo Vision
- Projection device for vehicles30 Apr 2026US 2026/0117952 A1Nippon Seiki Co., Ltd.
- Method for controlling laser headlight of vehicle, control apparatus, and vehicle16 Jan 2025US 2025/0018857 A1
Most cited
By later US patents
- Safety device for scanned projector and illumination systems37US 8,573,783 B22013
- Light emitting device, lighting system, headlight, and vehicle23US 9,214,783 B2Sharp Kabushiki Kaisha · 2015
- Laser-beam utilization device and vehicle headlight10US 9,261,259 B2Sharp Kabushiki Kaisha · 2016
- Vehicle headlamp and illuminating device8US 8,569,942 B2Sharp Kabushiki Kaisha · 2013
- Headlight module8US 9,702,519 B2OSRAM GmbH · 2017