- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/16 - Vessels; Containers
Patent holdings for IPC class H01J 37/16
Total number of patents in this class: 310
10-year publication summary
52
|
31
|
32
|
24
|
19
|
12
|
17
|
16
|
18
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hitachi High-Technologies Corporation | 2034 |
70 |
Hitachi High-Tech Corporation | 4424 |
45 |
ASML Netherlands B.V. | 6816 |
15 |
FEI Company | 851 |
13 |
Global Plasma Solutions, Inc. | 68 |
11 |
Applied Materials, Inc. | 16587 |
8 |
Tokyo Electron Limited | 11599 |
8 |
JEOL Ltd. | 556 |
8 |
Varian Semiconductor Equipment Associates, Inc. | 1282 |
7 |
Protochips, Inc. | 71 |
6 |
Carl Zeiss Microscopy GmbH | 1146 |
5 |
Mapper Lithography IP B.V. | 136 |
5 |
Nikon Corporation | 7162 |
4 |
Entegris, Inc. | 1736 |
4 |
Intelligent Virus Imaging Inc. | 39 |
4 |
Tetra Laval Holdings & Finance S.A. | 2007 |
4 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
3 |
Ebara Corporation | 1951 |
3 |
V Technology Co., Ltd. | 394 |
3 |
The Regents of the University of California | 18943 |
2 |
Other owners | 82 |