- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/4415 - Acquiring end-user identification using biometric characteristics of the user, e.g. by voice recognition or fingerprint scanning
Patent holdings for IPC class H04N 21/4415
Total number of patents in this class: 523
10-year publication summary
|
62
|
63
|
56
|
57
|
55
|
65
|
51
|
37
|
27
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 143812 |
41 |
| Curiouser Products, Inc. | 77 |
41 |
| Google LLC | 41766 |
19 |
| Multimedia Technologies Pte, Ltd | 60 |
18 |
| Roku, Inc. | 1367 |
17 |
| LG Electronics Inc. | 72357 |
16 |
| Adeia Guides Inc. | 3155 |
16 |
| Samba TV, Inc. | 62 |
13 |
| Amazon Technologies, Inc. | 26440 |
11 |
| Maxell, Ltd. | 2759 |
10 |
| DISH Technologies L.L.C. | 1606 |
10 |
| Apple Inc. | 54416 |
9 |
| Hisense Visual Technology Co., Ltd. | 856 |
9 |
| The Nielsen Company (US), LLC | 2635 |
8 |
| le Holdings (Beijing) Co., Ltd. | 1505 |
7 |
| le Shi Zhi Xin Electronic Technology (Tianjin) Limited | 482 |
7 |
| Sony Corporation | 31157 |
6 |
| AT&T Intellectual Property I, L.P. | 9459 |
6 |
| Saturn Licensing LLC | 1445 |
6 |
| Universal Electronics Inc. | 852 |
6 |
| Other owners | 247 |