- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/218 - Source of audio or video content, e.g. local disk arrays
Patent holdings for IPC class H04N 21/218
Total number of patents in this class: 1829
10-year publication summary
|
203
|
237
|
255
|
193
|
185
|
168
|
138
|
134
|
113
|
55
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 159298 |
53 |
| AT&T Intellectual Property I, L.P. | 10055 |
53 |
| Nokia Technologies Oy | 21911 |
46 |
| Sony Corporation | 30029 |
40 |
| Comcast Cable Communications, LLC | 5249 |
36 |
| Canon Inc. | 44414 |
33 |
| Adeia Guides Inc. | 4027 |
33 |
| Koninklijke Philips N.V. | 26073 |
32 |
| Apple Inc. | 59354 |
30 |
| Amazon Technologies, Inc. | 28299 |
29 |
| Sonos, Inc. | 2893 |
28 |
| Intel Corporation | 46313 |
27 |
| Google LLC | 44850 |
27 |
| Koninklijke KPN N.V. | 808 |
24 |
| DISH Technologies L.L.C. | 1600 |
24 |
| Autoconnect Holdings LLC | 96 |
21 |
| Verizon Patent And Licensing Inc. | 7684 |
19 |
| LG Electronics Inc. | 76219 |
17 |
| Huawei Technologies Co., Ltd. | 125107 |
17 |
| Sony Group Corporation | 16052 |
16 |
| Other owners | 1224 |