- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/50 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
Patent holdings for IPC class H04N 19/50
Total number of patents in this class: 2923
10-year publication summary
|
259
|
194
|
195
|
185
|
275
|
179
|
145
|
167
|
176
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 31511 |
191 |
| Samsung Electronics Co., Ltd. | 139798 |
166 |
| Qualcomm Incorporated | 82379 |
132 |
| Huawei Technologies Co., Ltd. | 107372 |
124 |
| LG Electronics Inc. | 71298 |
113 |
| Electronics and Telecommunications Research Institute | 9055 |
97 |
| Dolby Video Compression, LLC | 334 |
92 |
| Bytedance Inc. | 3581 |
89 |
| Tencent America LLC | 3517 |
81 |
| Beijing Bytedance Network Technology Co., Ltd. | 4002 |
74 |
| KT Corporation | 1944 |
66 |
| NTT DoCoMo, Inc. | 12382 |
60 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20166 |
60 |
| Sun Patent Trust | 2049 |
53 |
| Nippon Telegraph and Telephone Corporation | 16455 |
52 |
| Dolby Laboratories Licensing Corporation | 4075 |
52 |
| University-industry Cooperation Group of Kyung Hee University | 1162 |
41 |
| Panasonic Corporation | 20299 |
39 |
| Mediatek Inc. | 1899 |
39 |
| Dolby International AB | 1045 |
34 |
| Other owners | 1268 |