- 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: 4283
10-year publication summary
|
453
|
496
|
459
|
437
|
341
|
324
|
284
|
219
|
236
|
91
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7434 |
202 |
| Ideal Industries Lighting LLC | 1134 |
97 |
| Nichia Corporation | 3669 |
93 |
| Opple Lighting Co., Ltd. | 788 |
93 |
| Enplas Corporation | 888 |
74 |
| Suzhou Opple Lighting Co., Ltd. | 568 |
71 |
| ABL IP Holding LLC | 1902 |
68 |
| Koito Manufacturing Co., Ltd. | 2214 |
66 |
| Panasonic Intellectual Property Management Co., Ltd. | 31022 |
53 |
| Sharp Kabushiki Kaisha | 18787 |
53 |
| LG Innotek Co., Ltd. | 7552 |
49 |
| Seoul Semiconductor Co., Ltd. | 1078 |
43 |
| OSRAM GmbH | 2388 |
38 |
| Samsung Electronics Co., Ltd. | 144426 |
36 |
| Lumileds LLC | 1911 |
36 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1424 |
36 |
| Korrus, Inc. | 463 |
35 |
| Self Electronics Co., Ltd. | 162 |
33 |
| Panasonic Corporation | 20166 |
29 |
| Stanley Electric Co., Ltd. | 1218 |
29 |
| Other owners | 3049 |