Patent holdings for IPC class G02B 7/04

Total number of patents in this class: 2721

10-year publication summary

188
221
252
317
300
253
216
155
140
5
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Canon Inc.
38114
177
LG Innotek Co., Ltd.
7225
169
TDK Taiwan Corp.
764
150
FUJIFILM Corporation
28555
147
Nikon Corporation
7126
112
Mitsumi Electric Co., Ltd.
1080
82
Olympus Corporation
13281
66
Panasonic Intellectual Property Management Co., Ltd.
29687
64
Panasonic Corporation
20322
49
Alps Alpine Co., Ltd.
1984
46
Samsung Electronics Co., Ltd.
138729
37
Samsung Electro-mechanics Co., Ltd.
5200
37
Sony Corporation
31550
36
Ability Opto-Electronics Technology Co., Ltd.
362
36
Konica Minolta Opto, Inc.
1133
32
Huawei Technologies Co., Ltd.
106664
31
Konica Minolta, Inc.
8530
29
Nidec Sankyo Corporation
1094
28
Sharp Kabushiki Kaisha
18873
28
Sheltered Wings, Inc.
405
27
Other owners 1338