- 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: 3298
10-year publication summary
|
324
|
306
|
297
|
280
|
239
|
187
|
151
|
84
|
114
|
82
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 29479 |
185 |
| Au Optronics Corporation | 3977 |
136 |
| Signify Holding B.V. | 6703 |
107 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8870 |
84 |
| LG Display Co., Ltd. | 11787 |
75 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1805 |
71 |
| Boe Technology Group Co., Ltd. | 34266 |
61 |
| LG Innotek Co., Ltd. | 6455 |
60 |
| Samsung Electronics Co., Ltd. | 127467 |
57 |
| Innolux Corporation | 2997 |
40 |
| 3m Innovative Properties Company | 20945 |
39 |
| Sharp Corporation | 10480 |
35 |
| Opple Lighting Co., Ltd. | 671 |
33 |
| Nichia Corporation | 3182 |
32 |
| Quarkstar LLC | 214 |
30 |
| LG Electronics Inc. | 68720 |
28 |
| ABL IP Holding LLC | 1943 |
28 |
| Japan Display Inc. | 5920 |
26 |
| Panasonic Intellectual Property Corporation of America | 7026 |
24 |
| Minebea Mitsumi Inc. | 1406 |
23 |
| Other owners | 2124 |