- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/208 - Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
Patent holdings for IPC class H04N 5/208
Total number of patents in this class: 201
10-year publication summary
|
13
|
12
|
7
|
6
|
6
|
3
|
4
|
3
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18502 |
23 |
| Samsung Electronics Co., Ltd. | 158442 |
11 |
| Canon Inc. | 44051 |
9 |
| Sony Corporation | 30111 |
7 |
| KEISOKU GIKEN Co., Ltd. | 10 |
7 |
| Panasonic Corporation | 18849 |
6 |
| Hitachi Kokusai Electric Inc. | 830 |
6 |
| Semiconductor Energy Laboratory Co., Ltd. | 11855 |
5 |
| Mitsubishi Electric Corporation | 48172 |
5 |
| FUJIFILM Corporation | 30594 |
4 |
| Olympus Corporation | 12920 |
4 |
| Sony Semiconductor Solutions Corporation | 11717 |
4 |
| Toshiba Corporation | 12594 |
3 |
| Intel Corporation | 47178 |
3 |
| Sharp Corporation | 10821 |
3 |
| Nikon Corporation | 7230 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
3 |
| STMicroelectronics S.r.l. | 3368 |
3 |
| Casio Computer Co., Ltd. | 3491 |
3 |
| Apple Inc. | 59027 |
2 |
| Other owners | 87 |