- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/235 - Circuitry for compensating for variation in the brightness of the object
Patent holdings for IPC class H04N 5/235
Total number of patents in this class: 8345
10-year publication summary
|
518
|
778
|
847
|
931
|
930
|
1052
|
1071
|
834
|
759
|
327
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36717 |
774 |
| Samsung Electronics Co., Ltd. | 127539 |
442 |
| Sony Corporation | 34088 |
387 |
| FUJIFILM Corporation | 26514 |
243 |
| Qualcomm Incorporated | 73546 |
185 |
| Olympus Corporation | 13916 |
182 |
| Apple Inc. | 48082 |
168 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 17979 |
167 |
| Sony Semiconductor Solutions Corporation | 8228 |
149 |
| Panasonic Intellectual Property Management Co., Ltd. | 28211 |
129 |
| Google LLC | 37778 |
121 |
| Microsoft Technology Licensing, LLC | 50893 |
115 |
| Huawei Technologies Co., Ltd. | 97129 |
99 |
| Nikon Corporation | 7265 |
85 |
| SZ DJI Technology Co., Ltd | 6792 |
81 |
| GoPro, Inc. | 1862 |
70 |
| Panasonic Intellectual Property Corporation of America | 7031 |
68 |
| Sony Group Corporation | 9816 |
68 |
| Duelight LLC | 122 |
64 |
| Pixart Imaging Inc. | 1540 |
62 |
| Other owners | 4686 |