- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21S - Non-portable lighting devicessystems thereofvehicle lighting devices specially adapted for vehicle exteriors
- F21S 45/70 - Prevention of harmful light leakage
Patent holdings for IPC class F21S 45/70
Total number of patents in this class: 51
10-year publication summary
|
0
|
4
|
10
|
13
|
8
|
6
|
3
|
7
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koito Manufacturing Co., Ltd. | 2203 |
10 |
| OSRAM Beteiligungsverwaltung GmbH | 77 |
5 |
| Nichia Corporation | 3638 |
3 |
| Ichikoh Industries, Ltd. | 339 |
3 |
| Stanley Electric Co., Ltd. | 1203 |
3 |
| Valeo Vision | 1480 |
3 |
| Zkw Group GmbH | 606 |
3 |
| OSRAM GmbH | 2392 |
2 |
| Lumileds LLC | 1893 |
2 |
| Nuvoton Technology Corporation Japan | 575 |
2 |
| Nidec Precision Corporation | 31 |
2 |
| Sharp Corporation | 10286 |
1 |
| Texas Instruments Incorporated | 19481 |
1 |
| Nitto Denko Corporation | 8165 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 30769 |
1 |
| Toyoda Gosei Co., Ltd. | 1769 |
1 |
| Soraa Laser Diode, Inc. | 16 |
1 |
| Valeo Comfort and Driving Assistance | 461 |
1 |
| Varroc Lighting Systems s.r.o. | 40 |
1 |
| Hella GmbH & Co. KGaA | 1585 |
1 |
| Other owners | 4 |