Patent holdings for IPC class H01J 35/12

Total number of patents in this class: 192

10-year publication summary

16
11
7
20
23
15
32
11
7
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
11
Nuctech Company Limited
1275
10
King Fahd University of Petroleum and Minerals
779
7
Sigray, Inc.
68
7
Varex Imaging Corporation
294
7
Canon Electron Tubes & Devices Co., Ltd.
154
7
Hamamatsu Photonics K.K.
4161
6
Canon Inc.
36841
5
Tsinghua University
5426
5
Siemens Healthineers AG
5714
5
MOXTEK, Inc.
219
4
Surescan Corporation
7
4
Koninklijke Philips N.V.
22975
3
Koninklijke Philips Electronics N.V.
13133
3
Massachusetts Institute of Technology
9795
3
Excillum AB
63
3
Meidensha Corporation
823
3
PLANSEE SE
233
3
Rapiscan Systems, Inc.
300
3
Rigaku Corporation
379
3
Other owners 90