- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21V - Functional features or details of lighting devices or systems thereofstructural combinations of lighting devices with other articles, not otherwise provided for
- F21V 31/03 - Gas-tight or water-tight arrangements with provision for venting
Patent holdings for IPC class F21V 31/03
Total number of patents in this class: 255
10-year publication summary
|
30
|
21
|
17
|
21
|
10
|
20
|
19
|
14
|
12
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Denko Corporation | 8526 |
41 |
| Wangs Alliance Corp., DBA WAC Lighting | 250 |
26 |
| Signify Holding B.V. | 8030 |
14 |
| Ideal Industries Lighting LLC | 930 |
11 |
| Seescan, Inc. | 568 |
7 |
| Streamlight, Inc. | 445 |
6 |
| ABL IP Holding LLC | 1890 |
5 |
| Guangzhou Haoyang Electronic Co., Ltd. | 250 |
5 |
| Honda Motor Co., Ltd. | 26008 |
4 |
| Goodrich Lighting Systems GmbH | 127 |
4 |
| Koito Manufacturing Co., Ltd. | 2442 |
4 |
| LSI Industries, Inc. | 179 |
4 |
| ROBE Lighting s.r.o. | 149 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
3 |
| Continental Automotive GmbH | 4507 |
2 |
| OSRAM GmbH | 2216 |
2 |
| 9609385 Canada Inc. | 56 |
2 |
| Automotive Lighting Reutlingen GmbH | 60 |
2 |
| ELM Inc. | 28 |
2 |
| European Thermodynamics Limited | 18 |
2 |
| Other owners | 105 |