- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/295 - Electron- or ion-diffraction tubes
Patent holdings for IPC class H01J 37/295
Total number of patents in this class: 96
10-year publication summary
6
|
7
|
9
|
6
|
12
|
10
|
3
|
4
|
8
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
FEI Company | 851 |
12 |
Riken | 1669 |
11 |
Hitachi, Ltd. | 16452 |
10 |
Hitachi High-Technologies Corporation | 2034 |
10 |
JEOL Ltd. | 556 |
6 |
Hitachi High-Tech Corporation | 4424 |
6 |
Inter-university Research Institute Corporation National Institutes of Natural Sciences | 147 |
5 |
Oxford Instruments NanoTechnology Tools Limited | 145 |
5 |
National University Corporation Hokkaido University | 1323 |
3 |
Shenzhen Xpectvision Technology Co., Ltd. | 359 |
3 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
2 |
Nagayama IP Holdings LLC | 7 |
2 |
Okinawa Institute of Science and Technology School Corporation | 142 |
2 |
University of Houston System | 1005 |
2 |
The Regents of the University of California | 18943 |
1 |
Hon Hai Precision Industry Co., Ltd. | 4157 |
1 |
Industrial Technology Research Institute | 4898 |
1 |
Mitsubishi Electric Corporation | 43934 |
1 |
The Board of Trustees of the Leland Stanford Junior University | 6054 |
1 |
Tsinghua University | 5426 |
1 |
Other owners | 11 |