- 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: 239
10-year publication summary
|
20
|
17
|
13
|
12
|
7
|
6
|
6
|
3
|
3
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18957 |
23 |
| Samsung Electronics Co., Ltd. | 131630 |
12 |
| Olympus Corporation | 13667 |
11 |
| Canon Inc. | 36841 |
9 |
| Sony Corporation | 32931 |
8 |
| Hitachi Kokusai Electric Inc. | 1070 |
8 |
| KEISOKU GIKEN Co., Ltd. | 11 |
8 |
| Panasonic Corporation | 20786 |
6 |
| FUJIFILM Corporation | 27102 |
6 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
6 |
| Intel Corporation | 45621 |
5 |
| Mitsubishi Electric Corporation | 43934 |
5 |
| Nikon Corporation | 7162 |
5 |
| Sony Semiconductor Solutions Corporation | 8770 |
4 |
| Toshiba Corporation | 12017 |
3 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
3 |
| Hewlett-Packard Development Company, L.P. | 28538 |
3 |
| Sharp Corporation | 10015 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| STMicroelectronics S.r.l. | 3693 |
3 |
| Other owners | 105 |