- 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: 791
10-year publication summary
|
0
|
0
|
0
|
6
|
17
|
54
|
128
|
199
|
238
|
143
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cilag GmbH International | 6264 |
27 |
| Canon Inc. | 40095 |
25 |
| Sony Group Corporation | 13918 |
23 |
| Samsung Electronics Co., Ltd. | 146811 |
21 |
| Stryker Corporation | 5046 |
15 |
| FUJIFILM Corporation | 29437 |
14 |
| Apple Inc. | 55174 |
13 |
| NEC Corporation | 35778 |
13 |
| Academia Sinica | 940 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
9 |
| Koito Manufacturing Co., Ltd. | 2251 |
9 |
| Zebra Technologies Corporation | 2198 |
9 |
| Anduril Industries Inc. | 160 |
9 |
| Kunnskap Medical, LLC | 10 |
9 |
| META Platforms Technologies, LLC | 5853 |
9 |
| Lumileds Singapore Pte. Ltd. | 1275 |
9 |
| Koninklijke Philips N.V. | 24767 |
8 |
| Olympus Corporation | 13174 |
8 |
| Align Technology, Inc. | 2124 |
8 |
| Snap Inc. | 5906 |
7 |
| Other owners | 536 |