- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/202 - Gamma control
Patent holdings for IPC class H04N 5/202
Total number of patents in this class: 372
10-year publication summary
|
39
|
31
|
34
|
25
|
21
|
13
|
12
|
7
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 31550 |
23 |
| Canon Inc. | 38114 |
21 |
| Apple Inc. | 52680 |
16 |
| Samsung Display Co., Ltd. | 32745 |
14 |
| Dolby Laboratories Licensing Corporation | 4052 |
14 |
| Saturn Licensing LLC | 1474 |
14 |
| Samsung Electronics Co., Ltd. | 138729 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 29687 |
13 |
| Maxell, Ltd. | 2655 |
11 |
| Maxell Holdings, Ltd. | 1359 |
8 |
| Sharp Kabushiki Kaisha | 18873 |
8 |
| Seiko Epson Corporation | 18984 |
6 |
| Nikon Corporation | 7126 |
6 |
| The British Broadcasting Corporation | 311 |
6 |
| InterDigital Madison Patent Holdings | 559 |
5 |
| FUJIFILM Corporation | 28555 |
4 |
| Olympus Corporation | 13281 |
4 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8482 |
4 |
| JVC Kenwood Corporation | 2920 |
4 |
| Novatek Microelectronics Corp. | 1271 |
4 |
| Other owners | 174 |