- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 23/74 - Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
Patent holdings for IPC class H04N 23/74
Total number of patents in this class: 365
10-year publication summary
|
0
|
0
|
0
|
0
|
4
|
15
|
41
|
85
|
149
|
73
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
15 |
| Cilag GmbH International | 5813 |
15 |
| Sony Group Corporation | 10730 |
12 |
| FUJIFILM Corporation | 27102 |
8 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| Anduril Industries Inc. | 109 |
7 |
| Depuy Synthes Products, LLC | 2880 |
6 |
| Apple Inc. | 50209 |
5 |
| NEC Corporation | 32703 |
5 |
| Stryker Corporation | 3864 |
5 |
| Snap Inc. | 4604 |
5 |
| Align Technology, Inc. | 1818 |
5 |
| Lumileds LLC | 1827 |
5 |
| Koninklijke Philips N.V. | 22975 |
4 |
| Axis AB | 880 |
4 |
| Hand held Products, Inc. | 1227 |
4 |
| Koito Manufacturing Co., Ltd. | 1991 |
4 |
| LG Electronics Inc. | 69257 |
3 |
| Cisco Technology, Inc. | 18858 |
3 |
| Huawei Technologies Co., Ltd. | 100781 |
3 |
| Other owners | 240 |