- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/285 - Emission microscopes, e.g. field-emission microscopes
Patent holdings for IPC class H01J 37/285
Total number of patents in this class: 163
10-year publication summary
15
|
35
|
18
|
11
|
19
|
18
|
15
|
9
|
5
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hitachi High-Tech Corporation | 4424 |
22 |
FEI Company | 851 |
12 |
Centre National de La Recherche Scientifique | 9632 |
6 |
ASML Netherlands B.V. | 6816 |
6 |
JEOL Ltd. | 556 |
5 |
Scienta Omicron AB | 18 |
5 |
The Regents of the University of California | 18943 |
4 |
Applied Materials Israel, Ltd. | 549 |
4 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
4 |
Ebara Corporation | 1951 |
4 |
CAMECA Instruments, Inc. | 19 |
4 |
IMEC VZW | 1410 |
4 |
Institut National des Sciences Appliquees de Rouen (insa) | 29 |
4 |
KLA-Tencor Corporation | 2574 |
4 |
Universite de Rouen Normandie | 91 |
4 |
Hitachi, Ltd. | 16452 |
3 |
ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 149 |
3 |
Imago Scientific Instruments Corporation | 18 |
3 |
Atomnaut, Inc. | 4 |
3 |
Samsung Electronics Co., Ltd. | 131630 |
2 |
Other owners | 57 |