- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/433 - Content storage operation, e.g. storage operation in response to a pause request or caching operations
Patent holdings for IPC class H04N 21/433
Total number of patents in this class: 3749
10-year publication summary
|
453
|
409
|
349
|
318
|
272
|
237
|
215
|
169
|
136
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DISH Technologies L.L.C. | 1607 |
234 |
| Adeia Guides Inc. | 3614 |
201 |
| Comcast Cable Communications, LLC | 4970 |
144 |
| AT&T Intellectual Property I, L.P. | 9758 |
111 |
| Google LLC | 43412 |
100 |
| Samsung Electronics Co., Ltd. | 151303 |
84 |
| Rovi Guides, Inc. | 890 |
72 |
| Sony Corporation | 30608 |
70 |
| Verizon Patent And Licensing Inc. | 7406 |
64 |
| ARRIS Enterprises LLC | 3441 |
63 |
| DISH Network L.L.C. | 912 |
58 |
| LG Electronics Inc. | 74373 |
54 |
| DIRECTV, LLC | 790 |
54 |
| Adeia Media Solutions Inc. | 270 |
54 |
| Adeia Media Holdings LLC | 607 |
52 |
| Time Warner Cable Enterprises LLC | 877 |
51 |
| Saturn Licensing LLC | 1445 |
49 |
| Maxell, Ltd. | 2911 |
44 |
| Multimedia Technologies Pte, Ltd | 60 |
43 |
| Apple Inc. | 57058 |
42 |
| Other owners | 2105 |