- 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: 4064
10-year publication summary
|
380
|
502
|
453
|
496
|
458
|
436
|
340
|
323
|
277
|
195
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 6703 |
190 |
| Ideal Industries Lighting LLC | 1259 |
98 |
| Opple Lighting Co., Ltd. | 671 |
84 |
| Enplas Corporation | 912 |
82 |
| Nichia Corporation | 3182 |
69 |
| ABL IP Holding LLC | 1943 |
65 |
| Suzhou Opple Lighting Co., Ltd. | 451 |
63 |
| Sharp Kabushiki Kaisha | 18914 |
53 |
| LG Innotek Co., Ltd. | 6455 |
50 |
| Koito Manufacturing Co., Ltd. | 1929 |
50 |
| Panasonic Intellectual Property Management Co., Ltd. | 28140 |
46 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1805 |
45 |
| OSRAM GmbH | 2462 |
41 |
| Seoul Semiconductor Co., Ltd. | 1070 |
41 |
| Samsung Electronics Co., Ltd. | 127467 |
38 |
| Lumileds LLC | 1768 |
36 |
| Korrus, Inc. | 449 |
35 |
| Sony Corporation | 34130 |
31 |
| Panasonic Corporation | 21301 |
29 |
| Self Electronics Co., Ltd. | 141 |
29 |
| Other owners | 2889 |