Patent holdings for IPC class H01J 33/00

Total number of patents in this class: 63

10-year publication summary

3
0
4
1
0
2
0
0
1
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Tetra Laval Holdings & Finance S.A.
2137
6
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
6112
5
Buhler AG
530
3
Hitachi Zosen Corporation
619
3
HS Foils Oy
10
3
Schlumberger Technology Corporation
10691
2
Schlumberger Canada Limited
7290
2
Schlumberger Technology B.v.
5166
2
Schlumberger Holdings Limited
2833
2
The Board of Trustees of the Leland Stanford Junior University
6403
2
citizen Watch Co., Ltd.
1076
2
Prad Research and Development Limited
2693
2
Services Petroliers Schlumberger
5782
2
The University of British Columbia
1497
2
Modern Hydrogen, Inc.
33
2
Samsung Electronics Co., Ltd.
145630
1
Samsung Display Co., Ltd.
34595
1
LG Electronics Inc.
72890
1
Canon Inc.
39765
1
Sharp Corporation
10313
1
Other owners 18