Patent holdings for IPC class G03B 7/091

Total number of patents in this class: 252

10-year publication summary

22
24
26
34
20
26
25
13
10
5
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sony Corporation
31093
39
FUJIFILM Corporation
29305
38
Sony Group Corporation
13703
23
Sony Semiconductor Solutions Corporation
10390
20
Olympus Corporation
13182
14
Canon Inc.
39713
13
Nikon Corporation
7158
13
Canon Kabushiki Kaisha
7047
12
Panasonic Corporation
20136
10
Panasonic Intellectual Property Management Co., Ltd.
31221
8
Mitsubishi Electric Corporation
45962
6
Hitachi Automotive Systems, Ltd.
3958
4
Ricoh Company, Ltd.
13247
3
Samsung Electronics Co., Ltd.
145416
2
Seiko Epson Corporation
19319
2
Hitachi Kokusai Electric Inc.
881
2
Kyocera Corporation
13784
2
The University of Tokyo
4168
2
Zhejiang Dahua Technology Co., Ltd.
603
2
WIPOTEC GmbH
73
2
Other owners 35