- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/503 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
Patent holdings for IPC class H04N 19/503
Total number of patents in this class: 1980
10-year publication summary
|
156
|
111
|
134
|
126
|
197
|
130
|
105
|
124
|
148
|
81
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 31065 |
167 |
| LG Electronics Inc. | 72962 |
129 |
| Electronics and Telecommunications Research Institute | 9383 |
108 |
| Qualcomm Incorporated | 85183 |
96 |
| Sun Patent Trust | 1999 |
83 |
| Samsung Electronics Co., Ltd. | 145864 |
70 |
| Huawei Technologies Co., Ltd. | 112316 |
70 |
| Panasonic Corporation | 20124 |
40 |
| Bytedance Inc. | 3809 |
40 |
| Tencent America LLC | 3796 |
38 |
| Dolby Video Compression, LLC | 341 |
35 |
| NTT DoCoMo, Inc. | 12919 |
33 |
| University-industry Cooperation Group of Kyung Hee University | 1210 |
33 |
| Microsoft Technology Licensing, LLC | 53693 |
32 |
| NEC Corporation | 35619 |
30 |
| Nokia Technologies Oy | 17784 |
30 |
| Nippon Telegraph and Telephone Corporation | 17337 |
29 |
| JVC Kenwood Corporation | 3008 |
28 |
| Beijing Bytedance Network Technology Co., Ltd. | 4077 |
28 |
| Ericsson | 21733 |
27 |
| Other owners | 834 |