- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/806 - Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal
Patent holdings for IPC class H04N 9/806
Total number of patents in this class: 124
10-year publication summary
|
22
|
26
|
9
|
20
|
7
|
6
|
2
|
0
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
13 |
| Maxell, Ltd. | 2533 |
10 |
| Maxell Holdings, Ltd. | 1422 |
9 |
| Canon Inc. | 36841 |
6 |
| Nokia Technologies Oy | 15057 |
6 |
| GoPro, Inc. | 1915 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Sony Corporation | 32931 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| LG Electronics Inc. | 69257 |
3 |
| Panasonic Corporation | 20786 |
3 |
| Thomson Licensing | 4027 |
3 |
| HTC Corporation | 2219 |
3 |
| Rosco, Inc. | 110 |
3 |
| DISH Technologies L.L.C. | 1666 |
3 |
| Apple Inc. | 50209 |
2 |
| International Business Machines Corporation | 60644 |
2 |
| AT&T Intellectual Property I, L.P. | 9886 |
2 |
| Casio Computer Co., Ltd. | 3343 |
2 |
| Microsoft Technology Licensing, LLC | 51439 |
2 |
| Other owners | 35 |