- 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: 386
10-year publication summary
|
22
|
39
|
31
|
34
|
25
|
21
|
13
|
12
|
7
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
25 |
| Canon Inc. | 36841 |
21 |
| Apple Inc. | 50209 |
17 |
| Samsung Display Co., Ltd. | 30585 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
14 |
| Dolby Laboratories Licensing Corporation | 3883 |
14 |
| Saturn Licensing LLC | 1502 |
14 |
| Samsung Electronics Co., Ltd. | 131630 |
13 |
| Maxell, Ltd. | 2533 |
12 |
| Maxell Holdings, Ltd. | 1422 |
9 |
| Sharp Kabushiki Kaisha | 18957 |
8 |
| Seiko Epson Corporation | 18724 |
7 |
| Nikon Corporation | 7162 |
7 |
| Olympus Corporation | 13667 |
6 |
| The British Broadcasting Corporation | 315 |
6 |
| FUJIFILM Corporation | 27102 |
5 |
| InterDigital Madison Patent Holdings | 615 |
5 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
4 |
| JVC Kenwood Corporation | 2774 |
4 |
| Novatek Microelectronics Corp. | 1221 |
4 |
| Other owners | 176 |