Patent holdings for IPC class H01J 37/08

Total number of patents in this class: 1164

10-year publication summary

87
80
79
87
91
98
79
78
90
18
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Varian Semiconductor Equipment Associates, Inc.
1282
138
Applied Materials, Inc.
16587
131
Axcelis Technologies, Inc.
429
98
Hitachi High-Tech Corporation
4424
47
FEI Company
851
39
Hitachi High-Technologies Corporation
2034
33
Entegris, Inc.
1736
30
Hitachi High-Tech Science Corporation
326
25
Taiwan Semiconductor Manufacturing Company, Ltd.
36809
24
Sumitomo Heavy Industries ION Technology Co., Ltd.
96
23
Canon Anelva Corporation
676
17
Nissin ION Equipment Co., Ltd.
78
15
Praxair Technology, Inc.
1367
14
Carl Zeiss Microscopy, LLC
30
13
Massachusetts Institute of Technology
9795
11
ALIS Corporation
36
11
Tel Manufacturing and Engineering of America, Inc.
150
11
Advanced ION Beam Technology, Inc.
72
10
ULVAC, Inc.
1448
10
Applied Materials Israel, Ltd.
549
8
Other owners 456