- 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 7/04 - Optical design
Patent holdings for IPC class F21V 7/04
Total number of patents in this class: 2950
10-year publication summary
|
280
|
239
|
187
|
151
|
85
|
115
|
88
|
70
|
71
|
50
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 38817 |
144 |
| Signify Holding B.V. | 8118 |
114 |
| Au Optronics Corporation | 3179 |
90 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8471 |
74 |
| LG Innotek Co., Ltd. | 8517 |
64 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1242 |
57 |
| LG Display Co., Ltd. | 15013 |
52 |
| Boe Technology Group Co., Ltd. | 44409 |
51 |
| Samsung Electronics Co., Ltd. | 158442 |
47 |
| Opple Lighting Co., Ltd. | 924 |
38 |
| Nichia Corporation | 3884 |
34 |
| Innolux Corporation | 3595 |
32 |
| Quarkstar LLC | 225 |
31 |
| Magnolia White Corporation | 5587 |
28 |
| 3m Innovative Properties Company | 17458 |
24 |
| LG Electronics Inc. | 75855 |
24 |
| Sharp Corporation | 10821 |
24 |
| Suzhou Opple Lighting Co., Ltd. | 689 |
24 |
| Minebea Mitsumi Inc. | 1968 |
23 |
| ABL IP Holding LLC | 1885 |
22 |
| Other owners | 1953 |