Patent holdings for IPC class H01J 37/08

Total number of patents in this class: 1224

10-year publication summary

80
79
87
91
98
79
78
95
76
52
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Applied Materials, Inc.
18621
160
Varian Semiconductor Equipment Associates, Inc.
1231
136
Axcelis Technologies, Inc.
409
100
Hitachi High-Tech Corporation
5310
57
FEI Company
943
38
Hitachi High-Technologies Corporation
2004
33
Entegris, Inc.
1868
33
Taiwan Semiconductor Manufacturing Company, Ltd.
42704
30
Sumitomo Heavy Industries ION Technology Co., Ltd.
113
24
Hitachi High-Tech Science Corporation
290
22
Canon Anelva Corporation
686
18
Nissin ION Equipment Co., Ltd.
82
17
Praxair Technology, Inc.
1298
14
Shine Technologies, LLC
138
13
Massachusetts Institute of Technology
10057
11
Carl Zeiss Microscopy, LLC
27
11
Samsung Electronics Co., Ltd.
146092
10
Advanced ION Beam Technology, Inc.
71
10
ULVAC, Inc.
1380
10
Tel Manufacturing and Engineering of America, Inc.
140
10
Other owners 467