- 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: 4390
10-year publication summary
|
482
|
451
|
429
|
336
|
320
|
277
|
214
|
237
|
180
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7801 |
211 |
| Nichia Corporation | 3797 |
102 |
| Opple Lighting Co., Ltd. | 866 |
99 |
| Ideal Industries Lighting LLC | 935 |
90 |
| Suzhou Opple Lighting Co., Ltd. | 642 |
77 |
| Enplas Corporation | 883 |
73 |
| ABL IP Holding LLC | 1894 |
71 |
| Koito Manufacturing Co., Ltd. | 2355 |
68 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
54 |
| Sharp Kabushiki Kaisha | 18635 |
53 |
| LG Innotek Co., Ltd. | 8062 |
51 |
| Seoul Semiconductor Co., Ltd. | 1071 |
44 |
| OSRAM GmbH | 2330 |
38 |
| Korrus, Inc. | 477 |
35 |
| Samsung Electronics Co., Ltd. | 151726 |
34 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1308 |
34 |
| Self Electronics Co., Ltd. | 168 |
33 |
| Stanley Electric Co., Ltd. | 1326 |
30 |
| Lumileds Singapore Pte. Ltd. | 1260 |
30 |
| Panasonic Corporation | 19867 |
29 |
| Other owners | 3134 |