- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Patent holdings for IPC class H04N 19/91
Total number of patents in this class: 3740
10-year publication summary
|
257
|
304
|
303
|
315
|
246
|
237
|
257
|
294
|
275
|
59
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 89294 |
266 |
| Samsung Electronics Co., Ltd. | 152304 |
198 |
| Sony Corporation | 30536 |
161 |
| LG Electronics Inc. | 74619 |
156 |
| Dolby Video Compression, LLC | 361 |
129 |
| Electronics and Telecommunications Research Institute | 9469 |
123 |
| Google LLC | 43553 |
113 |
| Tencent America LLC | 4126 |
103 |
| Huawei Technologies Co., Ltd. | 118879 |
98 |
| Sun Patent Trust | 2004 |
94 |
| Texas Instruments Incorporated | 19567 |
73 |
| Dolby International AB | 1028 |
63 |
| M & K Holdings Inc. | 79 |
57 |
| Microsoft Technology Licensing, LLC | 54220 |
56 |
| KT Corporation | 2042 |
54 |
| Panasonic Intellectual Property Corporation of America | 7050 |
46 |
| Intel Corporation | 46597 |
44 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5174 |
40 |
| HFI Innovation Inc. | 766 |
39 |
| NEC Corporation | 36475 |
38 |
| Other owners | 1789 |