Patent holdings for IPC class G03B 9/10

Total number of patents in this class: 118

10-year publication summary

7
14
13
9
4
7
5
3
3
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nidec Copal Corporation
269
22
Seiko Precision Inc.
93
16
Actutek Corporation
856
7
Kimoto Co., Ltd.
156
6
Seiko Group Corporation
72
6
Canon Inc.
44490
5
LG Innotek Co., Ltd.
8621
4
Canon Denshi Kabushiki Kaisha
182
3
Nidec Corporation
2826
3
Sumitomo Precision Products Co., Ltd.
339
3
SZ DJI Technology Co., Ltd
6947
3
Sony Corporation
29887
2
Nokia Corporation
4620
2
Nikon Corporation
7226
2
Beijing FUNATE Innovation Technology Co., Ltd.
144
2
JENOPTIK Optical Systems GmbH
202
2
Melles-Griot
4
2
Seek Thermal, Inc.
97
2
Somar Corporation
137
2
Testo AG
61
2
Other owners 22