- 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: 2313
10-year publication summary
|
175
|
148
|
119
|
171
|
192
|
230
|
271
|
273
|
248
|
268
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 70586 |
450 |
| Qualcomm Incorporated | 80627 |
181 |
| Samsung Electronics Co., Ltd. | 137575 |
116 |
| Tencent America LLC | 3399 |
84 |
| Google LLC | 40494 |
75 |
| Sony Corporation | 31662 |
66 |
| Canon Inc. | 37741 |
64 |
| Electronics and Telecommunications Research Institute | 9049 |
63 |
| Huawei Technologies Co., Ltd. | 105518 |
44 |
| GE Video Compression, LLC | 386 |
43 |
| Panasonic Intellectual Property Corporation of America | 7320 |
42 |
| Bytedance Inc. | 3540 |
37 |
| Beijing Bytedance Network Technology Co., Ltd. | 3912 |
33 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4740 |
31 |
| M & K Holdings Inc. | 83 |
29 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 19748 |
28 |
| KT Corporation | 1940 |
27 |
| Sony Group Corporation | 12338 |
26 |
| HFI Innovation Inc. | 760 |
25 |
| University-industry Cooperation Group of Kyung Hee University | 1150 |
23 |
| Other owners | 826 |