- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 23/76 - Circuitry for compensating brightness variation in the scene by influencing the image signals
Patent holdings for IPC class H04N 23/76
Total number of patents in this class: 152
10-year publication summary
|
0
|
0
|
0
|
1
|
1
|
3
|
10
|
32
|
70
|
36
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
19 |
| Samsung Electronics Co., Ltd. | 131630 |
15 |
| Sony Group Corporation | 10730 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
| FUJIFILM Corporation | 27102 |
5 |
| Nikon Corporation | 7162 |
5 |
| Sony Semiconductor Solutions Corporation | 8770 |
4 |
| Apple Inc. | 50209 |
3 |
| Qualcomm Incorporated | 76576 |
3 |
| Google LLC | 38759 |
3 |
| Verathon Inc. | 139 |
3 |
| Vivo Mobile Communication Co., Ltd. | 9833 |
3 |
| Waymo LLC | 2816 |
3 |
| Toyota Motor Corporation | 28582 |
2 |
| Texas Instruments Incorporated | 19376 |
2 |
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| Motorola Mobility LLC | 2493 |
2 |
| Snap Inc. | 4604 |
2 |
| Intuitive Surgical Operations, Inc. | 3616 |
2 |
| Karl STORZ Imaging, Inc. | 229 |
2 |
| Other owners | 56 |