- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/80 - Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
Patent holdings for IPC class H04N 9/80
Total number of patents in this class: 1467
10-year publication summary
|
169
|
137
|
135
|
95
|
80
|
81
|
59
|
28
|
6
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
70 |
| Panasonic Corporation | 20786 |
57 |
| Samsung Electronics Co., Ltd. | 131630 |
50 |
| Maxell, Ltd. | 2533 |
43 |
| Maxell Holdings, Ltd. | 1422 |
41 |
| Canon Inc. | 36841 |
39 |
| Google LLC | 38759 |
39 |
| DISH Technologies L.L.C. | 1666 |
37 |
| Microsoft Technology Licensing, LLC | 51439 |
35 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
25 |
| Apple Inc. | 50209 |
23 |
| Mitsubishi Electric Corporation | 43934 |
20 |
| LG Electronics Inc. | 69257 |
19 |
| Amazon Technologies, Inc. | 24422 |
18 |
| International Business Machines Corporation | 60644 |
17 |
| AT&T Intellectual Property I, L.P. | 9886 |
17 |
| Saturn Licensing LLC | 1502 |
17 |
| Intel Corporation | 45621 |
15 |
| GoPro, Inc. | 1915 |
15 |
| Disney Enterprises, Inc. | 6012 |
13 |
| Other owners | 857 |