- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 23/73 - Circuitry for compensating brightness variation in the scene by influencing the exposure time
Patent holdings for IPC class H04N 23/73
Total number of patents in this class: 402
10-year publication summary
|
0
|
0
|
0
|
1
|
3
|
7
|
41
|
104
|
172
|
73
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
53 |
| Samsung Electronics Co., Ltd. | 131630 |
37 |
| FUJIFILM Corporation | 27102 |
18 |
| Sony Group Corporation | 10730 |
16 |
| GoPro, Inc. | 1915 |
13 |
| Honor Device Co., Ltd. | 3469 |
12 |
| Nikon Corporation | 7162 |
10 |
| Qualcomm Incorporated | 76576 |
9 |
| Sony Semiconductor Solutions Corporation | 8770 |
9 |
| Google LLC | 38759 |
8 |
| Pixart Imaging Inc. | 1581 |
7 |
| TDK Taiwan Corp. | 694 |
7 |
| Apple Inc. | 50209 |
6 |
| Huawei Technologies Co., Ltd. | 100781 |
6 |
| Zhejiang Dahua Technology Co., Ltd. | 571 |
6 |
| Intuitive Surgical Operations, Inc. | 3616 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
4 |
| Hand held Products, Inc. | 1227 |
4 |
| Koito Manufacturing Co., Ltd. | 1991 |
4 |
| Other owners | 164 |