Patent holdings for IPC class H01J 7/46

Total number of patents in this class: 18

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Tokyo Electron Limited
11599
2
Topanga USA, Inc.
16
2
Trustees of Tufts College
743
2
Seiko Epson Corporation
18724
1
Agilent Technologies, Inc.
2744
1
Commissariat à l'énergie atomique et aux energies alternatives
10525
1
Cedar Ridge Research, LLC
7
1
Ceravision Limited
49
1
Levitronics, Inc.
2
1
LUXIM Corporation
20
1
Noarc, LLC
1
1
Tohoku University
2526
1
Topanga Technologies, Inc.
4
1
The United States of America as represented by the Secretary of the Air Force
754
1
The University of Chicago
1282
1
Other owners 0