- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/793 - Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits
Patent holdings for IPC class H04N 9/793
Total number of patents in this class: 22
10-year publication summary
|
1
|
1
|
4
|
3
|
3
|
1
|
2
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30097 |
5 |
| Koninklijke Philips N.V. | 25978 |
3 |
| Intel Corporation | 47162 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
2 |
| Honor Device Co., Ltd. | 6940 |
2 |
| Samsung Electronics Co., Ltd. | 158605 |
1 |
| Canon Inc. | 44134 |
1 |
| FUJIFILM Corporation | 30628 |
1 |
| Volkswagen AG | 7480 |
1 |
| Weltrend Semiconductor Inc. | 40 |
1 |
| HKC Corporation Limited | 3493 |
1 |
| Chongqing HKC Optoelectronics Technology Co., ltd. | 1337 |
1 |
| Enhanced Visions Systems, Inc. | 56 |
1 |
| Other owners | 0 |