F21S 43/402
Total internal reflection [tir] collimators
Official title: {Total internal reflection [TIR] collimators}
F21S43/402 (Total internal reflection [tir] collimators) appears on 75 US grants and 87 published applications in this corpus.
Search patents in F21S- Granted patents
- 75
- Published applications
- 87
- Assignees
- 47
- Inventors
- 155
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 9 |
| 2018 | 3 | 1 |
| 2019 | 6 | 0 |
| 2020 | 0 | 1 |
| 2021 | 4 | 10 |
| 2022 | 20 | 28 |
| 2023 | 14 | 6 |
| 2024 | 7 | 11 |
| 2025 | 17 | 12 |
| 2026 | 4 | 8 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Accessory optical path translator25 Aug 2026US 12,715,358 B2Emergency Technology, Inc.
- Vehicle lamp16 Jun 2026US 12,655,954 B2Stanley Electric Co., Ltd.
- Lamp for vehicle9 Jun 2026US 12,650,211 B2Hyundai Mobis Co., Ltd.
- Optical member, lighting device and vehicle lamp having same17 Feb 2026US 12,553,587 B2LG Innotek Co., Ltd.
- Signal light or illumination device with multi-section light guiding body30 Dec 2025US 12,510,221 B2ZKW Group GmbH
- Vehicle lamp27 Aug 2026US 2026/0251280 A1Ichikoh Industries, Ltd.
- Light guide for a lamp assembly2 Jul 2026US 2026/0186191 A1PO Lighting Czech, s.r.o.
- Lamp unit and vehicle lamp18 Jun 2026US 2026/0168636 A1Ichikoh Industries, Ltd.
- Lamp for vehicle4 Jun 2026US 2026/0153204 A1Hyundai Mobis Co., Ltd.
- Lighting module and lighting device comprising same28 May 2026US 2026/0146719 A1LG Innotek Co., Ltd.
Most cited
By later US patents
- Light beam adjusting device and vehicle lamp assembly4US 10,480,743 B2Valeo Lighting Hubei Technical Center Co. Ltd · 2019
- Lamp body having a light guide body having two light guide lenses and a half mirror facing a reflector for emitting from a light emitting surface of the lamp body3US 11,137,127 B2Honda Motor Co., Ltd. · 2021
- Vehicle grille3US 11,441,751 B2Hyundai Motor Company · 2022
- Vehicle external illumination device3US 11,821,602 B2RealD Spark, LLC · 2023
- Vehicle lighting device for illuminating in a first and second direction2US 10,119,673 B2Stanley Electric Co., Ltd. · 2018