Patent holdings for IPC class H01J 1/148

Total number of patents in this class: 27

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Denka Company Limited
2531
6
NuFlare Technology, Inc.
836
5
NuFlare Technology America, Inc.
23
3
Applied Physics Technologies, Inc.
14
2
Hitachi High-Technologies Corporation
2006
1
Lockheed Martin Corporation
3274
1
Agency for Defense Development
429
1
Colorado School of Mines
178
1
Kimball Physics, Inc.
5
1
Korea Research Institute of Standards and Science
671
1
National Institute for Materials Science
1109
1
Param Corporation
8
1
The University of Bristol
250
1
West Virginia University Board of Governors on Behalf of West Virginia University
145
1
Aquasium Technology Limited
17
1
Other owners 0