- 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: 220
10-year publication summary
|
9
|
15
|
21
|
18
|
19
|
38
|
35
|
21
|
18
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ARRIS Enterprises LLC | 3432 |
18 |
| LG Electronics Inc. | 69257 |
15 |
| Tencent America LLC | 2959 |
14 |
| Qualcomm Incorporated | 76576 |
11 |
| Electronics and Telecommunications Research Institute | 8830 |
10 |
| InterDigital Holdings, Inc. | 520 |
9 |
| Korea Advanced Institute of Science and Technology | 3906 |
8 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
6 |
| Google LLC | 38759 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| Sony Corporation | 32931 |
5 |
| RGB Systems, Inc. | 166 |
5 |
| SK Telecom Co., Ltd. | 1699 |
5 |
| Warner Bros. Entertainment Inc. | 2271 |
4 |
| Sharp Corporation | 10015 |
4 |
| Huawei Technologies Co., Ltd. | 100781 |
4 |
| Nokia Technologies Oy | 15057 |
4 |
| Intopix SA | 23 |
4 |
| InterDigital Madison Patent Holdings, SAS | 307 |
4 |
| Kakadu R & D Pty Ltd. | 15 |
4 |
| Other owners | 75 |