- 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: 254
10-year publication summary
|
31
|
41
|
36
|
26
|
22
|
20
|
16
|
14
|
7
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Time Warner Cable Enterprises LLC | 945 |
18 |
| Open Text SA ULC | 665 |
14 |
| AT&T Intellectual Property I, L.P. | 9886 |
11 |
| Verizon Patent And Licensing Inc. | 6900 |
11 |
| Autoconnect Holdings LLC | 91 |
11 |
| Comcast Cable Communications, LLC | 4075 |
8 |
| Google LLC | 38759 |
7 |
| Maxell, Ltd. | 2533 |
7 |
| Grass Valley Canada | 242 |
6 |
| Huawei Technologies Co., Ltd. | 100781 |
5 |
| Google Technology Holdings LLC | 2658 |
5 |
| ARRIS Enterprises LLC | 3432 |
5 |
| Canoe Ventures, LLC | 29 |
5 |
| Maxell Holdings, Ltd. | 1422 |
5 |
| Warner Bros. Entertainment Inc. | 2271 |
4 |
| Nokia Technologies Oy | 15057 |
4 |
| NBCUniversal Media, LLC | 539 |
4 |
| TVU Networks Corporation | 52 |
4 |
| Akamai Technologies, Inc. | 728 |
3 |
| Charter Communications Operating, LLC | 1054 |
3 |
| Other owners | 114 |