- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/4385 - Multiplex stream processing, e.g. multiplex stream decrypting
Patent holdings for IPC class H04N 21/4385
Total number of patents in this class: 317
10-year publication summary
53
|
45
|
32
|
22
|
19
|
31
|
25
|
14
|
12
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Maxell, Ltd. | 2533 |
23 |
Sony Corporation | 32931 |
21 |
Samsung Electronics Co., Ltd. | 131630 |
17 |
The Nielsen Company (US), LLC | 2549 |
17 |
Maxell Holdings, Ltd. | 1422 |
17 |
Saturn Licensing LLC | 1502 |
13 |
LG Electronics Inc. | 69257 |
11 |
Roku, Inc. | 1151 |
10 |
Avago Technologies International Sales Pte. Limited | 9260 |
9 |
Nokia Technologies Oy | 15057 |
7 |
Sony Semiconductor Solutions Corporation | 8770 |
6 |
TiVo Corporation | 462 |
6 |
Synamedia Limited | 354 |
6 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
5 |
ARRIS Enterprises LLC | 3432 |
5 |
Sun Patent Trust | 1972 |
5 |
Ericsson | 20417 |
4 |
Renesas Electronics Corporation | 6305 |
4 |
Mediatek Inc. | 4584 |
4 |
Sony Interactive Entertainment Inc. | 5162 |
4 |
Other owners | 123 |