- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/45 - Generation or recovery of colour sub-carriers
Patent holdings for IPC class H04N 9/45
Total number of patents in this class: 37
10-year publication summary
|
4
|
5
|
1
|
3
|
5
|
1
|
1
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
7 |
| Qualcomm Incorporated | 76576 |
2 |
| Sony Semiconductor Solutions Corporation | 8770 |
2 |
| STMicroelectronics International N.V. | 635 |
2 |
| Sony Group Corporation | 10730 |
2 |
| Apple Inc. | 50209 |
1 |
| Canon Inc. | 36841 |
1 |
| Toshiba Corporation | 12017 |
1 |
| Panasonic Corporation | 20786 |
1 |
| FUJIFILM Corporation | 27102 |
1 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Huawei Technologies Co., Ltd. | 100781 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| Atmel Corporation | 1202 |
1 |
| Cirrus Logic, Inc. | 1719 |
1 |
| Himax Technologies Limited | 701 |
1 |
| Intuitive Surgical Operations, Inc. | 3616 |
1 |
| Leader Electronics Corporation | 36 |
1 |
| OmniVision Technologies, Inc. | 1502 |
1 |
| Other owners | 7 |