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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
TDK Taiwan Corp.
824
12
Seiko Group Corporation
65
9
Canon Inc.
42139
6
Nidec Copal Corporation
269
5
Seiko Holdings Kabushiki Kaisha, TA Seiko Holdings Corporation
24
4
Panasonic Corporation
19786
2
FUJIFILM Corporation
30206
2
Panasonic Intellectual Property Management Co., Ltd.
33401
2
Samsung Electronics Co., Ltd.
153093
1
Sony Corporation
30461
1
Hewlett-Packard Development Company, L.P.
25393
1
Nikon Corporation
7237
1
Massachusetts Institute of Technology
10192
1
Actuator Solutions GmbH
43
1
Canon Denshi Kabushiki Kaisha
181
1
JENOPTIK Optical Systems GmbH
197
1
Lab Partners Associates, Inc.
46
1
Seiko Precision Inc.
107
1
Other owners 0

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