- 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: 823
10-year publication summary
|
0
|
0
|
0
|
6
|
17
|
54
|
129
|
203
|
238
|
169
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40555 |
27 |
| Cilag GmbH International | 6275 |
27 |
| Sony Group Corporation | 14299 |
24 |
| Samsung Electronics Co., Ltd. | 147983 |
22 |
| Apple Inc. | 55640 |
15 |
| Stryker Corporation | 5122 |
15 |
| FUJIFILM Corporation | 29702 |
14 |
| NEC Corporation | 36124 |
13 |
| Academia Sinica | 947 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 32105 |
9 |
| Align Technology, Inc. | 2149 |
9 |
| Koito Manufacturing Co., Ltd. | 2296 |
9 |
| Zebra Technologies Corporation | 2251 |
9 |
| Anduril Industries Inc. | 166 |
9 |
| Kunnskap Medical, LLC | 10 |
9 |
| META Platforms Technologies, LLC | 5948 |
9 |
| Lumileds Singapore Pte. Ltd. | 1268 |
9 |
| Koninklijke Philips N.V. | 24932 |
8 |
| Olympus Corporation | 13127 |
8 |
| Snap Inc. | 6009 |
7 |
| Other owners | 561 |