Patent holdings for IPC class H01J 1/46

Total number of patents in this class: 54

10-year publication summary

4
2
2
0
7
4
2
3
3
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Hon Hai Precision Industry Co., Ltd.
4157
5
Tsinghua University
5426
5
Modern Electron, Inc.
40
5
NCX Corporation
33
3
Samsung Electronics Co., Ltd.
131630
2
Hamamatsu Photonics K.K.
4161
2
Mapper Lithography IP B.V.
136
2
Modern Electron, LLC
5
2
Siemens AG
24990
1
LG Electronics Inc.
69257
1
Hitachi, Ltd.
16452
1
Hitachi High-Technologies Corporation
2034
1
Motorola, Inc.
2873
1
Shimadzu Corporation
5791
1
Fujikura Ltd.
2777
1
Canon Anelva Corporation
676
1
Communications & Power Industries, Inc.
3
1
e Ink Holdings Inc.
571
1
Elwha LLC
442
1
Forschungszentrum Juelich GmbH
112
1
Other owners 16