- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/67 - Circuits for processing colour signals for matrixing
Patent holdings for IPC class H04N 9/67
Total number of patents in this class: 452
10-year publication summary
|
39
|
62
|
36
|
48
|
46
|
35
|
29
|
42
|
29
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 3883 |
46 |
| Samsung Electronics Co., Ltd. | 131630 |
31 |
| Apple Inc. | 50209 |
25 |
| Contrast, Inc. | 52 |
15 |
| Sony Corporation | 32931 |
13 |
| Thomson Licensing | 4027 |
12 |
| Boe Technology Group Co., Ltd. | 35384 |
9 |
| Koninklijke Philips N.V. | 22975 |
8 |
| Canon Inc. | 36841 |
7 |
| Texas Instruments Incorporated | 19376 |
7 |
| Samsung Display Co., Ltd. | 30585 |
6 |
| Huawei Technologies Co., Ltd. | 100781 |
6 |
| Microsoft Technology Licensing, LLC | 51439 |
6 |
| ViXS Systems, Inc. | 112 |
6 |
| Qualcomm Incorporated | 76576 |
5 |
| Warner Bros. Entertainment Inc. | 2271 |
5 |
| Intel Corporation | 45621 |
5 |
| Eastman Kodak Company | 3444 |
5 |
| Olympus Corporation | 13667 |
5 |
| GoPro, Inc. | 1915 |
5 |
| Other owners | 225 |