- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/18 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
Patent holdings for IPC class H04N 19/18
Total number of patents in this class: 2711
10-year publication summary
|
119
|
171
|
193
|
231
|
271
|
276
|
253
|
286
|
256
|
105
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75160 |
491 |
| Qualcomm Incorporated | 90674 |
189 |
| Samsung Electronics Co., Ltd. | 154751 |
123 |
| Tencent America LLC | 4193 |
118 |
| Canon Inc. | 42505 |
79 |
| Google LLC | 43988 |
79 |
| Electronics and Telecommunications Research Institute | 9553 |
68 |
| Sony Corporation | 30353 |
66 |
| Nokia Technologies Oy | 20534 |
66 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22740 |
60 |
| Panasonic Intellectual Property Corporation of America | 7104 |
49 |
| Bytedance Inc. | 4291 |
44 |
| Dolby Video Compression, LLC | 390 |
44 |
| Huawei Technologies Co., Ltd. | 120888 |
42 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5196 |
42 |
| Beijing Bytedance Network Technology Co., Ltd. | 4131 |
35 |
| Sony Group Corporation | 15263 |
33 |
| KT Corporation | 2064 |
32 |
| V-Nova International Ltd. | 387 |
29 |
| M & K Holdings Inc. | 79 |
28 |
| Other owners | 994 |