- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/806 - Transformation of the television signal for recording, e.g. modulation, frequency changingInverse 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: 109
10-year publication summary
|
9
|
20
|
7
|
6
|
2
|
1
|
2
|
3
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Maxell, Ltd. | 2962 |
14 |
| Maxell Holdings, Ltd. | 1272 |
9 |
| Canon Inc. | 42633 |
7 |
| Nokia Technologies Oy | 20731 |
6 |
| GoPro, Inc. | 2096 |
5 |
| Samsung Electronics Co., Ltd. | 155224 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 33812 |
4 |
| Roscolive, LLC | 7 |
4 |
| Sony Corporation | 30327 |
3 |
| HTC Corporation | 2397 |
3 |
| DISH Technologies L.L.C. | 1603 |
3 |
| Apple Inc. | 58268 |
2 |
| International Business Machines Corporation | 62325 |
2 |
| AT&T Intellectual Property I, L.P. | 9905 |
2 |
| Panasonic Corporation | 19386 |
2 |
| Thomson Licensing | 3266 |
2 |
| Casio Computer Co., Ltd. | 3490 |
2 |
| Microsoft Technology Licensing, LLC | 54289 |
2 |
| Autodesk, Inc. | 1675 |
2 |
| Centinel Shield, LLC | 2 |
2 |
| Other owners | 29 |