- 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 7/04 - Optical design
Patent holdings for IPC class F21V 7/04
Total number of patents in this class: 3469
10-year publication summary
|
324
|
306
|
297
|
280
|
239
|
187
|
151
|
83
|
113
|
26
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 27382 |
200 |
| Au Optronics Corporation | 4316 |
150 |
| Signify Holding B.V. | 6423 |
110 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 9359 |
104 |
| LG Display Co., Ltd. | 11186 |
84 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1886 |
72 |
| Boe Technology Group Co., Ltd. | 32470 |
66 |
| Samsung Electronics Co., Ltd. | 120977 |
61 |
| LG Innotek Co., Ltd. | 5916 |
58 |
| Sharp Corporation | 11091 |
55 |
| 3m Innovative Properties Company | 20663 |
48 |
| Innolux Corporation | 2733 |
39 |
| Japan Display Inc. | 5900 |
33 |
| Opple Lighting Co., Ltd. | 630 |
33 |
| Nichia Corporation | 2994 |
31 |
| Quarkstar LLC | 211 |
30 |
| ABL IP Holding LLC | 1949 |
26 |
| LG Electronics Inc. | 66952 |
25 |
| Panasonic Intellectual Property Management Co., Ltd. | 26394 |
25 |
| Minebea Mitsumi Inc. | 1329 |
24 |
| Other owners | 2195 |