- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/74 - Circuits for processing colour signals for obtaining special effects
Patent holdings for IPC class H04N 9/74
Total number of patents in this class: 339
10-year publication summary
|
16
|
25
|
15
|
17
|
13
|
7
|
5
|
4
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 153845 |
20 |
| Microsoft Technology Licensing, LLC | 54242 |
13 |
| Sony Corporation | 30397 |
10 |
| Canon Inc. | 42303 |
8 |
| Adobe Inc. | 7443 |
8 |
| Apple Inc. | 58074 |
7 |
| LG Electronics Inc. | 74968 |
7 |
| Hisense Visual Technology Co., Ltd. | 965 |
7 |
| Panasonic Corporation | 19586 |
6 |
| Avago Technologies International Sales Pte. Limited | 8613 |
6 |
| Texas Instruments Incorporated | 19631 |
5 |
| Renesas Electronics Corporation | 5866 |
4 |
| Realtek Semiconductor Corp. | 3432 |
4 |
| Boe Technology Group Co., Ltd. | 42957 |
4 |
| Grass Valley Canada | 201 |
4 |
| Sharp Corporation | 10467 |
3 |
| Cisco Technology, Inc. | 22278 |
3 |
| Huawei Technologies Co., Ltd. | 120098 |
3 |
| Nikon Corporation | 7304 |
3 |
| Mediatek Inc. | 5398 |
3 |
| Other owners | 211 |