- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/57 - Motion estimation characterised by a search window with variable size or shape
Patent holdings for IPC class H04N 19/57
Total number of patents in this class: 349
10-year publication summary
|
37
|
23
|
24
|
34
|
34
|
36
|
19
|
19
|
28
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 112134 |
34 |
| Qualcomm Incorporated | 85094 |
32 |
| Samsung Electronics Co., Ltd. | 145630 |
25 |
| LG Electronics Inc. | 72890 |
15 |
| Sony Corporation | 31080 |
13 |
| Microsoft Technology Licensing, LLC | 53667 |
11 |
| V-Nova International Ltd. | 337 |
10 |
| Tencent America LLC | 3778 |
9 |
| Canon Inc. | 39765 |
8 |
| Electronics and Telecommunications Research Institute | 9380 |
7 |
| SK Telecom Co., Ltd. | 1671 |
7 |
| Wilus Institute of Standards and Technology Inc. | 764 |
7 |
| Intel Corporation | 46960 |
6 |
| Texas Instruments Incorporated | 19479 |
6 |
| KDDI Corporation | 981 |
6 |
| Nikon Corporation | 7159 |
5 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4943 |
5 |
| Comcast Cable Communications, LLC | 4700 |
5 |
| Mitsubishi Electric Corporation | 45998 |
4 |
| Google LLC | 42096 |
4 |
| Other owners | 130 |