- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 23/70 - Circuitry for compensating brightness variation in the scene
Patent holdings for IPC class H04N 23/70
Total number of patents in this class: 62
10-year publication summary
|
0
|
1
|
0
|
0
|
0
|
1
|
4
|
14
|
31
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| Magna Electronics Inc. | 1276 |
4 |
| Qualcomm Incorporated | 76576 |
3 |
| Apple Inc. | 50209 |
2 |
| Microsoft Technology Licensing, LLC | 51439 |
2 |
| Stryker Corporation | 3864 |
2 |
| Google LLC | 38759 |
2 |
| Sony Semiconductor Solutions Corporation | 8770 |
2 |
| Waymo LLC | 2816 |
2 |
| Honor Device Co., Ltd. | 3469 |
2 |
| Sony Group Corporation | 10730 |
2 |
| Beijing Zitiao Network Technology Co., Ltd. | 1927 |
2 |
| LG Electronics Inc. | 69257 |
1 |
| Canon Inc. | 36841 |
1 |
| Denso Corporation | 23338 |
1 |
| Carl Zeiss AG | 855 |
1 |
| Ankon Technologies Co., Ltd | 87 |
1 |
| Chicony Electronics Co., Ltd. | 236 |
1 |
| Hanwha Techwin Co., Ltd. | 243 |
1 |
| Lumileds LLC | 1827 |
1 |
| Other owners | 18 |