- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 25/51 - Control of the gain
Patent holdings for IPC class H04N 25/51
Total number of patents in this class: 64
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
16
|
30
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 147131 |
9 |
| Canon Inc. | 40216 |
9 |
| Sony Semiconductor Solutions Corporation | 10547 |
9 |
| Vivo Mobile Communication Co., Ltd. | 12423 |
5 |
| Qualcomm Incorporated | 86023 |
2 |
| SK Hynix Inc. | 11428 |
2 |
| Huawei Technologies Co., Ltd. | 113340 |
2 |
| Gigajot Technology, Inc. | 56 |
2 |
| Nikon Corporation | 7200 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31696 |
1 |
| Hamamatsu Photonics K.K. | 4434 |
1 |
| Novatek Microelectronics Corp. | 1346 |
1 |
| Eth Zurich | 1283 |
1 |
| Galaxycore Shanghai Limited Corporation | 58 |
1 |
| GoPro, Inc. | 1986 |
1 |
| Himax Imaging Limited | 65 |
1 |
| Koito Manufacturing Co., Ltd. | 2260 |
1 |
| OmniVision Technologies, Inc. | 1557 |
1 |
| Pixart Imaging Inc. | 1669 |
1 |
| SunASIC Technologies, Inc. | 18 |
1 |
| Other owners | 12 |