- 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: 3636
10-year publication summary
431
|
453
|
472
|
419
|
360
|
321
|
275
|
243
|
205
|
61
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rovi Guides, Inc. | 3236 |
262 |
DISH Technologies L.L.C. | 1666 |
243 |
AT&T Intellectual Property I, L.P. | 9886 |
121 |
Comcast Cable Communications, LLC | 4075 |
109 |
Google LLC | 38759 |
103 |
Samsung Electronics Co., Ltd. | 131630 |
85 |
Sony Corporation | 32931 |
78 |
Verizon Patent And Licensing Inc. | 6900 |
65 |
ARRIS Enterprises LLC | 3432 |
59 |
TiVo Solutions Inc. | 287 |
59 |
DIRECTV, LLC | 812 |
56 |
LG Electronics Inc. | 69257 |
53 |
Saturn Licensing LLC | 1502 |
52 |
Time Warner Cable Enterprises LLC | 945 |
51 |
Maxell, Ltd. | 2533 |
45 |
TiVo Corporation | 462 |
44 |
Multimedia Technologies Pte, Ltd | 60 |
43 |
DISH Network L.L.C. | 746 |
42 |
Apple Inc. | 50209 |
41 |
Huawei Technologies Co., Ltd. | 100781 |
34 |
Other owners | 1991 |