- 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: 2970
10-year publication summary
|
259
|
194
|
195
|
186
|
277
|
179
|
147
|
168
|
183
|
73
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 31138 |
191 |
| Samsung Electronics Co., Ltd. | 144426 |
167 |
| Qualcomm Incorporated | 84634 |
133 |
| Huawei Technologies Co., Ltd. | 111237 |
125 |
| LG Electronics Inc. | 72559 |
115 |
| Electronics and Telecommunications Research Institute | 9358 |
100 |
| Bytedance Inc. | 3747 |
96 |
| Dolby Video Compression, LLC | 340 |
94 |
| Tencent America LLC | 3739 |
85 |
| Beijing Bytedance Network Technology Co., Ltd. | 4070 |
74 |
| KT Corporation | 1975 |
69 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20727 |
64 |
| NTT DoCoMo, Inc. | 12798 |
59 |
| Dolby Laboratories Licensing Corporation | 4098 |
53 |
| Sun Patent Trust | 1992 |
52 |
| Nippon Telegraph and Telephone Corporation | 17207 |
51 |
| University-industry Cooperation Group of Kyung Hee University | 1204 |
43 |
| Mediatek Inc. | 2004 |
41 |
| Panasonic Corporation | 20166 |
39 |
| Dolby International AB | 1035 |
33 |
| Other owners | 1286 |