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  • All sections
  • G - Physics
  • G03B - Apparatus or arrangements for taking photographs or for projecting or viewing themapparatus or arrangements employing analogous techniques using waves other than optical wavesaccessories therefor
  • G03B 9/40 - Double plate

Patent holdings for IPC class G03B 9/40

Total number of patents in this class: 52

10-year publication summary

2
8
2
6
2
6
6
1
1
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Actutek Corporation
851
12
Seiko Group Corporation
70
9
Canon Inc.
43817
6
Nidec Copal Corporation
269
5
Seiko Holdings Kabushiki Kaisha, TA Seiko Holdings Corporation
25
4
Panasonic Corporation
19019
2
FUJIFILM Corporation
30514
2
Panasonic Intellectual Property Management Co., Ltd.
33997
2
Samsung Electronics Co., Ltd.
157719
1
Sony Corporation
30181
1
Hewlett-Packard Development Company, L.P.
25184
1
Nikon Corporation
7228
1
Massachusetts Institute of Technology
10251
1
Actuator Solutions GmbH
44
1
Canon Denshi Kabushiki Kaisha
182
1
JENOPTIK Optical Systems GmbH
200
1
Lab Partners Associates, Inc.
44
1
Seiko Precision Inc.
100
1
Other owners 0

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