- 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: 62
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
16
|
29
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 145630 |
9 |
| Canon Inc. | 39765 |
9 |
| Sony Semiconductor Solutions Corporation | 10404 |
9 |
| Vivo Mobile Communication Co., Ltd. | 12223 |
5 |
| Qualcomm Incorporated | 85094 |
2 |
| SK Hynix Inc. | 11307 |
2 |
| Huawei Technologies Co., Ltd. | 112134 |
2 |
| Gigajot Technology, Inc. | 56 |
2 |
| Nikon Corporation | 7159 |
1 |
| Hamamatsu Photonics K.K. | 4411 |
1 |
| Novatek Microelectronics Corp. | 1323 |
1 |
| Eth Zurich | 1273 |
1 |
| GoPro, Inc. | 1968 |
1 |
| Himax Imaging Limited | 63 |
1 |
| Koito Manufacturing Co., Ltd. | 2238 |
1 |
| OmniVision Technologies, Inc. | 1559 |
1 |
| Pixart Imaging Inc. | 1662 |
1 |
| SunASIC Technologies, Inc. | 18 |
1 |
| Techpoint, Inc. | 12 |
1 |
| Teledyne Innovaciones Microelectronicas, S.L.U. | 9 |
1 |
| Other owners | 10 |