F21S 43/331
Semi-transparent reflectors
Official title: {Semi-transparent reflectors}
F21S43/331 (Semi-transparent reflectors) appears on 32 US grants and 37 published applications in this corpus.
Search patents in F21S- Granted patents
- 32
- Published applications
- 37
- Assignees
- 24
- Inventors
- 84
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 2 | 9 |
| 2018 | 3 | 0 |
| 2019 | 2 | 2 |
| 2020 | 2 | 5 |
| 2021 | 4 | 3 |
| 2022 | 9 | 9 |
| 2023 | 4 | 3 |
| 2024 | 2 | 0 |
| 2025 | 2 | 4 |
| 2026 | 2 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Vehicle lamp19 May 2026US 12,631,309 B2SL Corporation
- Exterior structure, vehicle exterior structure, and method for controlling exterior structure3 Mar 2026US 12,565,142 B2Toyoda Gosei Co., Ltd.
- Light source unit for vehicular lighting tool and vehicular lighting tool28 Oct 2025US 12,455,059 B2Ichikoh Industries, Ltd.
- Vehicle lamp having a lens with a functional layer and a color layer7 Oct 2025US 12,435,856 B2SL Corporation
- Light member having a light manipulating element including two light manipulating surfaces30 Jul 2024US 12,049,991 B1GM Global Technology Operations LLC
- Lighting device for the rear end of a motor vehicle29 Jan 2026US 2026/0029102 A1Hella GmbH & Co. KGaA
- Lighting device for the back region of a motor vehicle29 Jan 2026US 2026/0029103 A1Hella GmbH & Co. KGaA
- Vehicle lamp22 May 2025US 2025/0164095 A1SL Corporation
- Light source unit for vehicular lighting tool and vehicular lighting tool3 Apr 2025US 2025/0109834 A1Ichikoh Industries, Ltd.
- Vehicle lamp6 Mar 2025US 2025/0075873 A1SL Corporation
Most cited
By later US patents
- Illumination assembly5US 9,664,354 B1Ford Global Technologies, LLC · 2017
- Visible light manipulating emblem for a vehicle4US 11,203,281 B1Ford Global Technologies, LLC · 2021
- Vehicular marker lamp using planar light emitter2US 10,190,744 B2Koito Manufacturing Co., Ltd. · 2019
- Lighting module and lighting device comprising same2US 11,531,153 B2LG Innotek Co., Ltd. · 2022
- Lighting module and lighting device comprising same2US 11,841,525 B2LG Innotek Co., Ltd. · 2023