Patent holdings for IPC class H01J 1/94

Total number of patents in this class: 13

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Hamamatsu Photonics K.K.
4441
2
Rad Source Technologies, Inc.
16
2
Canon Inc.
40280
1
Seagate Technology LLC
3969
1
Lam Research Corporation
5302
1
Meidensha Corporation
896
1
Noritake Co., Limited
260
1
Noritake Itron Corporation
27
1
Somnio Global Holdings, LLC
32
1
Photo Electron Soul Inc.
32
1
Thales Deutschland GmbH Electron Devices
5
1
Other owners 0