- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/80 - Transformation of the television signal for recording, e.g. modulation, frequency changingInverse transformation for playback
Patent holdings for IPC class H04N 9/80
Total number of patents in this class: 1386
10-year publication summary
|
137
|
135
|
95
|
80
|
81
|
59
|
29
|
11
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 31541 |
66 |
| Panasonic Corporation | 20315 |
49 |
| Samsung Electronics Co., Ltd. | 139001 |
48 |
| Google LLC | 40853 |
39 |
| Canon Inc. | 38148 |
36 |
| DISH Technologies L.L.C. | 1664 |
36 |
| Microsoft Technology Licensing, LLC | 52886 |
35 |
| Maxell, Ltd. | 2659 |
35 |
| Maxell Holdings, Ltd. | 1359 |
33 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
25 |
| Apple Inc. | 52750 |
20 |
| Mitsubishi Electric Corporation | 44851 |
19 |
| Amazon Technologies, Inc. | 25909 |
18 |
| International Business Machines Corporation | 60129 |
16 |
| Saturn Licensing LLC | 1474 |
16 |
| LG Electronics Inc. | 71039 |
15 |
| AT&T Intellectual Property I, L.P. | 9337 |
15 |
| Intel Corporation | 46126 |
15 |
| GoPro, Inc. | 1903 |
15 |
| Disney Enterprises, Inc. | 6051 |
13 |
| Other owners | 822 |