Patent holdings for IPC class G03B 9/18

Total number of patents in this class: 15

10-year publication summary

1
3
2
1
0
0
0
4
2
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Canon Inc.
44051
2
Samsung Electro-mechanics Co., Ltd.
6126
2
Nidec Copal Corporation
269
2
Actutek Corporation
851
2
FUJIFILM Corporation
30594
1
Nikon Corporation
7230
1
Konica Minolta Opto, Inc.
895
1
Cambridge Mechatronics Limited
381
1
Canon Denshi Kabushiki Kaisha
182
1
Seiko Holdings Kabushiki Kaisha, TA Seiko Holdings Corporation
25
1
AAC Optics Solutions Pte. Ltd.
652
1
Other owners 0