- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/64 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
Patent holdings for IPC class H04N 19/64
Total number of patents in this class: 247
10-year publication summary
|
21
|
18
|
19
|
38
|
35
|
21
|
18
|
18
|
12
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ARRIS Enterprises LLC | 3413 |
26 |
| Tencent America LLC | 4266 |
14 |
| Electronics and Telecommunications Research Institute | 9670 |
13 |
| InterDigital Holdings, Inc. | 958 |
13 |
| LG Electronics Inc. | 75654 |
12 |
| Qualcomm Incorporated | 91997 |
11 |
| Samsung Electronics Co., Ltd. | 157557 |
9 |
| Korea Advanced Institute of Science and Technology | 4664 |
9 |
| Nokia Technologies Oy | 21069 |
9 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5249 |
6 |
| Google LLC | 44482 |
6 |
| InterDigital Madison Patent Holdings, SAS | 401 |
6 |
| Sharp Corporation | 10533 |
5 |
| SK Telecom Co., Ltd. | 1660 |
5 |
| Sony Corporation | 30208 |
4 |
| Warner Bros. Entertainment Inc. | 2308 |
4 |
| Huawei Technologies Co., Ltd. | 123282 |
4 |
| Intopix SA | 33 |
4 |
| Kakadu R & D Pty Ltd. | 20 |
4 |
| Koninklijke Philips N.V. | 25832 |
3 |
| Other owners | 80 |