Patent holdings for IPC class H01J 19/42

Total number of patents in this class: 22

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
International Business Machines Corporation
60644
2
Hamamatsu Photonics K.K.
4161
2
Amazing Microelectronic Corp.
78
2
Elbit Systems of America, LLC
194
2
Noritake Co., Limited
224
2
Noritake Itron Corporation
27
2
LG Electronics Inc.
69257
1
Canon Inc.
36841
1
Sharp Corporation
10015
1
Electronics and Telecommunications Research Institute
8830
1
Thales SA
2318
1
ion Technology Solutions, LLC
17
1
Varian Medical Systems, Inc.
850
1
Voltarc Technologies, Inc.
3
1
Canon Electron Tubes & Devices Co., Ltd.
154
1
Modern Electron, Inc.
40
1
Other owners 0