- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/4223 - Cameras
Patent holdings for IPC class H04N 21/4223
Total number of patents in this class: 2097
10-year publication summary
|
290
|
291
|
313
|
255
|
185
|
146
|
151
|
108
|
102
|
43
|
| 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 |
117 |
| Sony Corporation | 31157 |
71 |
| Microsoft Technology Licensing, LLC | 53472 |
68 |
| Google LLC | 41766 |
68 |
| AT&T Intellectual Property I, L.P. | 9459 |
60 |
| The Nielsen Company (US), LLC | 2635 |
56 |
| LG Electronics Inc. | 72357 |
48 |
| Apple Inc. | 54416 |
43 |
| Adeia Guides Inc. | 3155 |
42 |
| Maxell, Ltd. | 2759 |
39 |
| DISH Technologies L.L.C. | 1606 |
35 |
| TouchTunes Music Company, LLC | 206 |
32 |
| Maxell Holdings, Ltd. | 1330 |
28 |
| Intel Corporation | 46678 |
23 |
| Amazon Technologies, Inc. | 26440 |
23 |
| Qualcomm Incorporated | 84335 |
22 |
| Genius Sports Ss, LLC | 54 |
22 |
| Ricoh Company, Ltd. | 13215 |
21 |
| Verizon Patent And Licensing Inc. | 7062 |
21 |
| Sony Interactive Entertainment Inc. | 5780 |
20 |
| Other owners | 1238 |