- 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: 1059
10-year publication summary
|
0
|
0
|
6
|
18
|
54
|
134
|
212
|
244
|
203
|
179
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44285 |
41 |
| Samsung Electronics Co., Ltd. | 159029 |
32 |
| Sony Group Corporation | 15978 |
29 |
| Cilag GmbH International | 6379 |
28 |
| FUJIFILM Corporation | 30689 |
18 |
| NEC Corporation | 37395 |
16 |
| Apple Inc. | 59241 |
15 |
| Stryker Corporation | 5724 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
13 |
| Outward, Inc. | 126 |
12 |
| Zebra Technologies Corporation | 2395 |
12 |
| Academia Sinica | 959 |
11 |
| Align Technology, Inc. | 2307 |
10 |
| Koito Manufacturing Co., Ltd. | 2488 |
10 |
| Koninklijke Philips N.V. | 26042 |
9 |
| Snap Inc. | 6857 |
9 |
| Anduril Industries Inc. | 217 |
9 |
| Kunnskap Medical, LLC | 10 |
9 |
| META Platforms Technologies, LLC | 6522 |
9 |
| Lumileds Singapore Pte. Ltd. | 1261 |
9 |
| Other owners | 743 |