Patent holdings for IPC class H01J 35/28

Total number of patents in this class: 23

10-year publication summary

1
2
2
1
1
1
0
3
0
1
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
General Electric Company
18133
5
Rigaku Corporation
379
4
Koninklijke Philips Electronics N.V.
13133
2
Hamamatsu Photonics K.K.
4161
2
Philips Intellectual Property & Standards GmbH
2395
2
NCX Corporation
33
2
ALIS Corporation
36
1
Kratos Analytical Limited
39
1
Multi-Dimensional Imaging, Inc.
6
1
National Institute for Materials Science
1108
1
ULVAC-PHI, Inc.
10
1
Oxford Diffraction Ltd
1
1
Other owners 0