- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 13/133 - Equalising the characteristics of different image components, e.g. their average brightness or colour balance
Patent holdings for IPC class H04N 13/133
Total number of patents in this class: 133
10-year publication summary
|
3
|
12
|
14
|
17
|
19
|
18
|
14
|
14
|
19
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 141295 |
21 |
| LG Electronics Inc. | 71685 |
10 |
| Apple Inc. | 53593 |
7 |
| Sony Corporation | 31334 |
7 |
| Microsoft Technology Licensing, LLC | 53128 |
6 |
| Boe Technology Group Co., Ltd. | 39834 |
5 |
| Qualcomm Incorporated | 83171 |
3 |
| Samsung Display Co., Ltd. | 33492 |
3 |
| Canon Inc. | 38762 |
3 |
| Robert Bosch GmbH | 42073 |
3 |
| Unity Technologies SF | 219 |
3 |
| LG Display Co., Ltd. | 13012 |
2 |
| AT&T Intellectual Property I, L.P. | 9382 |
2 |
| LighTech Fiberoptics, Inc. | 2 |
2 |
| Packsize LLC | 293 |
2 |
| Rovi Guides, Inc. | 951 |
2 |
| Vestel Elektronik Sanayi Ve Ticaret A.S. | 242 |
2 |
| Dahooo USA | 2 |
2 |
| Jiang Chang | 2 |
2 |
| Xingchen Liu | 2 |
2 |
| Other owners | 44 |