- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21V - Functional features or details of lighting devices or systems thereof; structural 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: 4174
10-year publication summary
|
503
|
453
|
496
|
458
|
437
|
341
|
324
|
284
|
215
|
172
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 6940 |
191 |
| Ideal Industries Lighting LLC | 1153 |
98 |
| Opple Lighting Co., Ltd. | 742 |
87 |
| Nichia Corporation | 3470 |
82 |
| Enplas Corporation | 877 |
74 |
| ABL IP Holding LLC | 1924 |
68 |
| Suzhou Opple Lighting Co., Ltd. | 522 |
65 |
| Koito Manufacturing Co., Ltd. | 2034 |
63 |
| Sharp Kabushiki Kaisha | 18927 |
53 |
| LG Innotek Co., Ltd. | 6986 |
49 |
| Panasonic Intellectual Property Management Co., Ltd. | 28611 |
48 |
| Seoul Semiconductor Co., Ltd. | 1073 |
42 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1611 |
39 |
| OSRAM GmbH | 2410 |
38 |
| Samsung Electronics Co., Ltd. | 135249 |
36 |
| Lumileds LLC | 1870 |
36 |
| Korrus, Inc. | 444 |
35 |
| Self Electronics Co., Ltd. | 153 |
33 |
| Sony Corporation | 31863 |
30 |
| Panasonic Corporation | 20564 |
29 |
| Other owners | 2978 |