- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/2225 - Local VOD servers
Patent holdings for IPC class H04N 21/2225
Total number of patents in this class: 247
10-year publication summary
|
36
|
26
|
23
|
20
|
16
|
14
|
7
|
11
|
3
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Time Warner Cable Enterprises LLC | 853 |
18 |
| Comcast Cable Communications, LLC | 5169 |
16 |
| Autoconnect Holdings LLC | 95 |
13 |
| Verizon Patent And Licensing Inc. | 7555 |
11 |
| AT&T Intellectual Property I, L.P. | 9993 |
9 |
| Google LLC | 44482 |
8 |
| Maxell, Ltd. | 3015 |
8 |
| Warner Bros. Entertainment Inc. | 2308 |
5 |
| Huawei Technologies Co., Ltd. | 123282 |
5 |
| Google Technology Holdings LLC | 2095 |
5 |
| ARRIS Enterprises LLC | 3413 |
5 |
| Grass Valley Canada | 197 |
5 |
| Maxell Holdings, Ltd. | 1259 |
5 |
| Sandpiper Cdn, LLC | 278 |
5 |
| Nokia Technologies Oy | 21069 |
4 |
| Charter Communications Operating, LLC | 1586 |
4 |
| CSC Holdings, LLC | 288 |
4 |
| TVU Networks Corporation | 52 |
4 |
| Akamai Technologies, Inc. | 777 |
3 |
| InterDigital Holdings, Inc. | 958 |
3 |
| Other owners | 107 |