- 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: 311
10-year publication summary
|
38
|
37
|
23
|
24
|
34
|
34
|
36
|
19
|
19
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
31 |
| Qualcomm Incorporated | 76576 |
30 |
| Samsung Electronics Co., Ltd. | 131630 |
23 |
| Sony Corporation | 32931 |
14 |
| LG Electronics Inc. | 69257 |
13 |
| V-Nova International Ltd. | 288 |
9 |
| Canon Inc. | 36841 |
8 |
| Tencent America LLC | 2959 |
8 |
| SK Telecom Co., Ltd. | 1699 |
7 |
| Intel Corporation | 45621 |
6 |
| Texas Instruments Incorporated | 19376 |
5 |
| Microsoft Technology Licensing, LLC | 51439 |
5 |
| KDDI Corporation | 764 |
5 |
| Electronics and Telecommunications Research Institute | 8830 |
4 |
| Mitsubishi Electric Corporation | 43934 |
4 |
| Nikon Corporation | 7162 |
4 |
| Comcast Cable Communications, LLC | 4075 |
4 |
| GoPro, Inc. | 1915 |
4 |
| SZ DJI Technology Co., Ltd | 6791 |
4 |
| Wilus Institute of Standards and Technology Inc. | 602 |
4 |
| Other owners | 119 |