- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/87 - Regeneration of colour television signals
Patent holdings for IPC class H04N 9/87
Total number of patents in this class: 594
10-year publication summary
|
93
|
108
|
87
|
62
|
65
|
54
|
39
|
19
|
14
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
37 |
| Panasonic Intellectual Property Corporation of America | 6841 |
32 |
| Google LLC | 42564 |
31 |
| Sony Corporation | 30929 |
28 |
| DISH Technologies L.L.C. | 1608 |
27 |
| Apple Inc. | 55446 |
18 |
| Canon Inc. | 40398 |
17 |
| Saturn Licensing LLC | 1439 |
15 |
| Samsung Electronics Co., Ltd. | 147622 |
13 |
| Amazon Technologies, Inc. | 26938 |
13 |
| Disney Enterprises, Inc. | 6137 |
9 |
| Gracenote, Inc. | 474 |
9 |
| Microsoft Technology Licensing, LLC | 53910 |
8 |
| Snap Inc. | 5976 |
8 |
| Mindshow Inc. | 35 |
8 |
| Sony Group Corporation | 14138 |
8 |
| GoPro, Inc. | 1992 |
7 |
| Smule, Inc. | 156 |
7 |
| Sony Interactive Entertainment LLC | 2086 |
7 |
| Huawei Technologies Co., Ltd. | 113853 |
6 |
| Other owners | 286 |