- 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: 636
10-year publication summary
|
93
|
93
|
108
|
87
|
62
|
65
|
54
|
39
|
19
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
37 |
| Panasonic Intellectual Property Corporation of America | 7230 |
32 |
| Sony Corporation | 32931 |
31 |
| Google LLC | 38759 |
31 |
| DISH Technologies L.L.C. | 1666 |
27 |
| Canon Inc. | 36841 |
19 |
| Apple Inc. | 50209 |
17 |
| Saturn Licensing LLC | 1502 |
16 |
| Samsung Electronics Co., Ltd. | 131630 |
13 |
| Amazon Technologies, Inc. | 24422 |
13 |
| Maxell, Ltd. | 2533 |
12 |
| Maxell Holdings, Ltd. | 1422 |
10 |
| Disney Enterprises, Inc. | 6012 |
9 |
| Mitsubishi Electric Corporation | 43934 |
9 |
| Microsoft Technology Licensing, LLC | 51439 |
8 |
| Snap Inc. | 4604 |
8 |
| Mindshow Inc. | 32 |
8 |
| Sony Group Corporation | 10730 |
8 |
| GoPro, Inc. | 1915 |
7 |
| Gracenote, Inc. | 408 |
7 |
| Other owners | 314 |