- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/4788 - Supplemental services, e.g. displaying phone caller identification or shopping application communicating with other users, e.g. chatting
Patent holdings for IPC class H04N 21/4788
Total number of patents in this class: 3028
10-year publication summary
|
367
|
314
|
312
|
308
|
215
|
218
|
256
|
249
|
206
|
173
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 43177 |
120 |
| META Platforms, Inc. | 6991 |
109 |
| AT&T Intellectual Property I, L.P. | 9686 |
104 |
| Adeia Guides Inc. | 3518 |
102 |
| Samsung Electronics Co., Ltd. | 149362 |
101 |
| Beijing Zitiao Network Technology Co., Ltd. | 5165 |
97 |
| Tencent Technology (Shenzhen) Company Limited | 15210 |
86 |
| Microsoft Technology Licensing, LLC | 54366 |
79 |
| Verizon Patent And Licensing Inc. | 7375 |
51 |
| Snap Inc. | 6197 |
50 |
| Comcast Cable Communications, LLC | 4882 |
49 |
| Adeia Media Solutions Inc. | 271 |
49 |
| Sony Corporation | 30760 |
44 |
| Beijing Bytedance Network Technology Co., Ltd. | 4103 |
43 |
| Multimedia Technologies Pte, Ltd | 60 |
43 |
| LG Electronics Inc. | 73884 |
42 |
| TouchTunes Music Company, LLC | 206 |
38 |
| Huawei Technologies Co., Ltd. | 116134 |
35 |
| Apple Inc. | 56547 |
34 |
| Sony Interactive Entertainment LLC | 2096 |
32 |
| Other owners | 1720 |