- 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: 4323
10-year publication summary
|
441
|
482
|
451
|
429
|
336
|
320
|
276
|
215
|
235
|
129
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7598 |
205 |
| Nichia Corporation | 3732 |
97 |
| Opple Lighting Co., Ltd. | 827 |
95 |
| Ideal Industries Lighting LLC | 942 |
91 |
| Enplas Corporation | 889 |
74 |
| Suzhou Opple Lighting Co., Ltd. | 607 |
73 |
| ABL IP Holding LLC | 1899 |
70 |
| Koito Manufacturing Co., Ltd. | 2263 |
67 |
| Panasonic Intellectual Property Management Co., Ltd. | 31756 |
54 |
| Sharp Kabushiki Kaisha | 18724 |
53 |
| LG Innotek Co., Ltd. | 7708 |
49 |
| Seoul Semiconductor Co., Ltd. | 1077 |
43 |
| OSRAM GmbH | 2383 |
38 |
| Samsung Electronics Co., Ltd. | 147334 |
36 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1413 |
36 |
| Korrus, Inc. | 467 |
35 |
| Self Electronics Co., Ltd. | 163 |
33 |
| Lumileds Singapore Pte. Ltd. | 1271 |
30 |
| Panasonic Corporation | 20059 |
29 |
| Stanley Electric Co., Ltd. | 1257 |
29 |
| Other owners | 3086 |