- 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: 335
10-year publication summary
|
16
|
25
|
15
|
19
|
13
|
7
|
5
|
4
|
0
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157557 |
19 |
| Microsoft Technology Licensing, LLC | 54439 |
12 |
| Sony Corporation | 30208 |
10 |
| Canon Inc. | 43768 |
8 |
| Adobe Inc. | 7517 |
8 |
| Apple Inc. | 58705 |
7 |
| LG Electronics Inc. | 75654 |
7 |
| Hisense Visual Technology Co., Ltd. | 997 |
7 |
| Panasonic Corporation | 19060 |
6 |
| Avago Technologies International Sales Pte. Limited | 8564 |
6 |
| Texas Instruments Incorporated | 19663 |
5 |
| Renesas Electronics Corporation | 5879 |
4 |
| Realtek Semiconductor Corp. | 3503 |
4 |
| Boe Technology Group Co., Ltd. | 44004 |
4 |
| Grass Valley Canada | 197 |
4 |
| Cisco Technology, Inc. | 22491 |
3 |
| Huawei Technologies Co., Ltd. | 123282 |
3 |
| Nikon Corporation | 7235 |
3 |
| Mediatek Inc. | 5316 |
3 |
| Novatek Microelectronics Corp. | 1449 |
3 |
| Other owners | 209 |