- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21S - Non-portable lighting devices; systems thereof; vehicle 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: 48
10-year publication summary
1
|
0
|
4
|
10
|
13
|
8
|
6
|
3
|
7
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Koito Manufacturing Co., Ltd. | 1991 |
8 |
OSRAM Beteiligungsverwaltung GmbH | 85 |
5 |
Nichia Corporation | 3394 |
3 |
Ichikoh Industries, Ltd. | 303 |
3 |
Stanley Electric Co., Ltd. | 1102 |
3 |
Valeo Vision | 1219 |
3 |
Zkw Group GmbH | 578 |
3 |
OSRAM GmbH | 2442 |
2 |
Lumileds LLC | 1827 |
2 |
Nuvoton Technology Corporation Japan | 420 |
2 |
Nidec Precision Corporation | 13 |
2 |
Sharp Corporation | 10015 |
1 |
Texas Instruments Incorporated | 19376 |
1 |
Nitto Denko Corporation | 7879 |
1 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
Toyoda Gosei Co., Ltd. | 1746 |
1 |
Soraa Laser Diode, Inc. | 16 |
1 |
Valeo Comfort and Driving Assistance | 404 |
1 |
Varroc Lighting Systems s.r.o. | 44 |
1 |
Hella GmbH & Co. KGaA | 1392 |
1 |
Other owners | 3 |