- 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: 8061
10-year publication summary
778
|
846
|
931
|
930
|
1052
|
1068
|
798
|
664
|
286
|
26
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Canon Inc. | 36841 |
739 |
Samsung Electronics Co., Ltd. | 131630 |
427 |
Sony Corporation | 32931 |
373 |
FUJIFILM Corporation | 27102 |
233 |
Qualcomm Incorporated | 76576 |
181 |
Olympus Corporation | 13667 |
175 |
Apple Inc. | 50209 |
166 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
163 |
Sony Semiconductor Solutions Corporation | 8770 |
145 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
120 |
Google LLC | 38759 |
119 |
Microsoft Technology Licensing, LLC | 51439 |
112 |
Huawei Technologies Co., Ltd. | 100781 |
99 |
Nikon Corporation | 7162 |
80 |
SZ DJI Technology Co., Ltd | 6791 |
80 |
Panasonic Intellectual Property Corporation of America | 7230 |
68 |
GoPro, Inc. | 1915 |
68 |
Pixart Imaging Inc. | 1581 |
60 |
Sony Group Corporation | 10730 |
60 |
OmniVision Technologies, Inc. | 1502 |
58 |
Other owners | 4535 |