- 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: 4116
10-year publication summary
503
|
453
|
496
|
458
|
437
|
341
|
324
|
283
|
214
|
77
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Signify Holding B.V. | 6837 |
190 |
Ideal Industries Lighting LLC | 1168 |
98 |
Opple Lighting Co., Ltd. | 698 |
86 |
Nichia Corporation | 3394 |
79 |
Enplas Corporation | 900 |
77 |
ABL IP Holding LLC | 1929 |
68 |
Suzhou Opple Lighting Co., Ltd. | 479 |
64 |
Koito Manufacturing Co., Ltd. | 1991 |
61 |
Sharp Kabushiki Kaisha | 18957 |
53 |
LG Innotek Co., Ltd. | 6758 |
49 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
46 |
Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
44 |
Seoul Semiconductor Co., Ltd. | 1073 |
42 |
OSRAM GmbH | 2442 |
38 |
Samsung Electronics Co., Ltd. | 131630 |
36 |
Lumileds LLC | 1827 |
36 |
Korrus, Inc. | 447 |
35 |
Self Electronics Co., Ltd. | 150 |
32 |
Sony Corporation | 32931 |
30 |
Panasonic Corporation | 20786 |
29 |
Other owners | 2923 |