- 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 5/04 - Refractors for light sources of lens shape
Patent holdings for IPC class F21V 5/04
Total number of patents in this class: 4493
10-year publication summary
|
496
|
459
|
437
|
341
|
324
|
284
|
219
|
242
|
196
|
133
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8118 |
217 |
| Nichia Corporation | 3884 |
105 |
| Opple Lighting Co., Ltd. | 924 |
101 |
| Led-ip Management, LLC | 822 |
87 |
| Suzhou Opple Lighting Co., Ltd. | 689 |
79 |
| ABL IP Holding LLC | 1885 |
76 |
| Enplas Corporation | 887 |
72 |
| Koito Manufacturing Co., Ltd. | 2461 |
71 |
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
58 |
| Sharp Kabushiki Kaisha | 18502 |
53 |
| LG Innotek Co., Ltd. | 8517 |
52 |
| Seoul Semiconductor Co., Ltd. | 1057 |
46 |
| OSRAM GmbH | 2195 |
38 |
| Self Electronics Co., Ltd. | 180 |
36 |
| Korrus, Inc. | 488 |
35 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1242 |
34 |
| Samsung Electronics Co., Ltd. | 158442 |
33 |
| Stanley Electric Co., Ltd. | 1389 |
31 |
| Lumileds Singapore Pte. Ltd. | 1263 |
30 |
| Panasonic Corporation | 18849 |
29 |
| Other owners | 3210 |