- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 23/18 - Resonators
Patent holdings for IPC class H01J 23/18
Total number of patents in this class: 9
10-year publication summary
|
1
|
0
|
0
|
1
|
2
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2
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2
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0
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0
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 18383 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2570 |
2 |
| Toyota Motor Corporation | 31377 |
1 |
| Panasonic Corporation | 20180 |
1 |
| Guangdong University of Technology | 561 |
1 |
| Johann Wolfgang Goethe-Universität Frankfurt am Main | 158 |
1 |
| Virgin Islands Microsystems, Inc. | 51 |
1 |
| Other owners | 0 |