- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/58 - Control of contrast or brightness in dependence upon ambient light
Patent holdings for IPC class H04N 5/58
Total number of patents in this class: 227
10-year publication summary
|
21
|
19
|
23
|
21
|
25
|
19
|
20
|
17
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 144675 |
37 |
| Apple Inc. | 54577 |
13 |
| Dolby Laboratories Licensing Corporation | 4107 |
12 |
| LG Electronics Inc. | 72675 |
8 |
| Olympus Corporation | 13196 |
5 |
| Intel Corporation | 46833 |
4 |
| Microsoft Technology Licensing, LLC | 53577 |
4 |
| Boe Technology Group Co., Ltd. | 40728 |
4 |
| Waymo LLC | 3089 |
4 |
| Maxell Holdings, Ltd. | 1325 |
4 |
| Maxell, Ltd. | 2780 |
4 |
| Sharp Kabushiki Kaisha | 18788 |
4 |
| Enseo, LLC | 265 |
4 |
| Disney Enterprises, Inc. | 6088 |
3 |
| Samsung Display Co., Ltd. | 34349 |
3 |
| Sony Corporation | 31124 |
3 |
| Hewlett-Packard Development Company, L.P. | 25933 |
3 |
| Mitsubishi Electric Corporation | 45899 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 31084 |
3 |
| Top Victory Investments Ltd. | 108 |
3 |
| Other owners | 99 |