- 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: 2011
10-year publication summary
|
265
|
290
|
291
|
312
|
255
|
185
|
146
|
146
|
104
|
25
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
114 |
| Sony Corporation | 32931 |
72 |
| Microsoft Technology Licensing, LLC | 51439 |
70 |
| AT&T Intellectual Property I, L.P. | 9886 |
68 |
| Google LLC | 38759 |
61 |
| The Nielsen Company (US), LLC | 2549 |
48 |
| LG Electronics Inc. | 69257 |
43 |
| Rovi Guides, Inc. | 3236 |
41 |
| Apple Inc. | 50209 |
37 |
| Maxell, Ltd. | 2533 |
37 |
| DISH Technologies L.L.C. | 1666 |
35 |
| Maxell Holdings, Ltd. | 1422 |
28 |
| Intel Corporation | 45621 |
26 |
| TouchTunes Music Company, LLC | 189 |
24 |
| Verizon Patent And Licensing Inc. | 6900 |
22 |
| Genius Sports Ss, LLC | 50 |
22 |
| Qualcomm Incorporated | 76576 |
21 |
| Ricoh Company, Ltd. | 13266 |
21 |
| Amazon Technologies, Inc. | 24422 |
20 |
| International Business Machines Corporation | 60644 |
19 |
| Other owners | 1182 |