Patent holdings for IPC class H01J 37/08

Total number of patents in this class: 1219

10-year publication summary

80
79
87
91
98
79
78
95
75
48
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Applied Materials, Inc.
18475
158
Varian Semiconductor Equipment Associates, Inc.
1233
136
Axcelis Technologies, Inc.
406
98
Hitachi High-Tech Corporation
5264
57
FEI Company
941
38
Hitachi High-Technologies Corporation
2004
33
Entegris, Inc.
1861
33
Taiwan Semiconductor Manufacturing Company, Ltd.
42288
30
Sumitomo Heavy Industries ION Technology Co., Ltd.
113
24
Hitachi High-Tech Science Corporation
322
23
Canon Anelva Corporation
686
18
Nissin ION Equipment Co., Ltd.
82
17
Praxair Technology, Inc.
1311
14
Shine Technologies, LLC
133
13
Massachusetts Institute of Technology
10024
11
Carl Zeiss Microscopy, LLC
27
11
Advanced ION Beam Technology, Inc.
71
10
ULVAC, Inc.
1381
10
Tel Manufacturing and Engineering of America, Inc.
140
10
Samsung Electronics Co., Ltd.
144675
9
Other owners 466