- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/243 - Circuitry for compensating for variation in the brightness of the object by influencing the picture signal
Patent holdings for IPC class H04N 5/243
Total number of patents in this class: 1012
10-year publication summary
112
|
90
|
108
|
123
|
132
|
118
|
91
|
62
|
28
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Canon Inc. | 36841 |
91 |
Sony Corporation | 32931 |
85 |
FUJIFILM Corporation | 27102 |
71 |
Olympus Corporation | 13667 |
53 |
Samsung Electronics Co., Ltd. | 131630 |
38 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
35 |
Sony Semiconductor Solutions Corporation | 8770 |
29 |
Nikon Corporation | 7162 |
26 |
Panasonic Intellectual Property Corporation of America | 7230 |
17 |
Canon Kabushiki Kaisha | 6884 |
17 |
Panasonic Corporation | 20786 |
15 |
Sony Group Corporation | 10730 |
15 |
Google LLC | 38759 |
14 |
Huawei Technologies Co., Ltd. | 100781 |
13 |
SZ DJI Technology Co., Ltd | 6791 |
12 |
Seiko Epson Corporation | 18724 |
11 |
Duelight LLC | 103 |
11 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
11 |
Ricoh Company, Ltd. | 13266 |
9 |
Qualcomm Incorporated | 76576 |
8 |
Other owners | 431 |